42947840

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 115894800

約数和(自身を除く): 72946960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 89, 104, 116, 128, 130, 145, 160, 178, 208, 232, 256, 260, 290, 320, 356, 377, 416, 445, 464, 520, 580, 640, 712, 754, 832, 890, 928, 1040, 1157, 1160, 1280, 1424, 1508, 1664, 1780, 1856, 1885, 2080, 2314, 2320, 2581, 2848, 3016, 3328, 3560, 3712, 3770, 4160, 4628, 4640, 5162, 5696, 5785, 6032, 7120, 7424, 7540, 8320, 9256, 9280, 10324, 11392, 11570, 12064, 12905, 14240, 15080, 16640, 18512, 18560, 20648, 22784, 23140, 24128, 25810, 28480, 30160, 33553, 37024, 37120, 41296, 46280, 48256, 51620, 56960, 60320, 67106, 74048, 82592, 92560, 96512, 103240, 113920, 120640, 134212, 148096, 165184, 167765, 185120, 206480, 241280, 268424, 296192, 330368, 335530, 370240, 412960, 482560, 536848, 660736, 671060, 740480, 825920, 1073696, 1342120, 1480960, 1651840, 2147392, 2684240, 3303680, 4294784, 5368480, 8589568, 10736960, 21473920, 42947840]

約数ペア:

[(1, 42947840), (2, 21473920), (4, 10736960), (5, 8589568), (8, 5368480), (10, 4294784), (13, 3303680), (16, 2684240), (20, 2147392), (26, 1651840), (29, 1480960), (32, 1342120), (40, 1073696), (52, 825920), (58, 740480), (64, 671060), (65, 660736), (80, 536848), (89, 482560), (104, 412960), (116, 370240), (128, 335530), (130, 330368), (145, 296192), (160, 268424), (178, 241280), (208, 206480), (232, 185120), (256, 167765), (260, 165184), (290, 148096), (320, 134212), (356, 120640), (377, 113920), (416, 103240), (445, 96512), (464, 92560), (520, 82592), (580, 74048), (640, 67106), (712, 60320), (754, 56960), (832, 51620), (890, 48256), (928, 46280), (1040, 41296), (1157, 37120), (1160, 37024), (1280, 33553), (1424, 30160), (1508, 28480), (1664, 25810), (1780, 24128), (1856, 23140), (1885, 22784), (2080, 20648), (2314, 18560), (2320, 18512), (2581, 16640), (2848, 15080), (3016, 14240), (3328, 12905), (3560, 12064), (3712, 11570), (3770, 11392), (4160, 10324), (4628, 9280), (4640, 9256), (5162, 8320), (5696, 7540), (5785, 7424), (6032, 7120)]