51207040

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 128

約数和(自身を含む): 132192000

約数和(自身を除く): 80984960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 89, 116, 124, 128, 145, 155, 160, 178, 232, 248, 290, 310, 320, 356, 445, 464, 496, 580, 620, 640, 712, 890, 899, 928, 992, 1160, 1240, 1424, 1780, 1798, 1856, 1984, 2320, 2480, 2581, 2759, 2848, 3560, 3596, 3712, 3968, 4495, 4640, 4960, 5162, 5518, 5696, 7120, 7192, 8990, 9280, 9920, 10324, 11036, 11392, 12905, 13795, 14240, 14384, 17980, 18560, 19840, 20648, 22072, 25810, 27590, 28480, 28768, 35960, 41296, 44144, 51620, 55180, 56960, 57536, 71920, 80011, 82592, 88288, 103240, 110360, 115072, 143840, 160022, 165184, 176576, 206480, 220720, 287680, 320044, 330368, 353152, 400055, 412960, 441440, 575360, 640088, 800110, 825920, 882880, 1280176, 1600220, 1651840, 1765760, 2560352, 3200440, 5120704, 6400880, 10241408, 12801760, 25603520, 51207040]

約数ペア:

[(1, 51207040), (2, 25603520), (4, 12801760), (5, 10241408), (8, 6400880), (10, 5120704), (16, 3200440), (20, 2560352), (29, 1765760), (31, 1651840), (32, 1600220), (40, 1280176), (58, 882880), (62, 825920), (64, 800110), (80, 640088), (89, 575360), (116, 441440), (124, 412960), (128, 400055), (145, 353152), (155, 330368), (160, 320044), (178, 287680), (232, 220720), (248, 206480), (290, 176576), (310, 165184), (320, 160022), (356, 143840), (445, 115072), (464, 110360), (496, 103240), (580, 88288), (620, 82592), (640, 80011), (712, 71920), (890, 57536), (899, 56960), (928, 55180), (992, 51620), (1160, 44144), (1240, 41296), (1424, 35960), (1780, 28768), (1798, 28480), (1856, 27590), (1984, 25810), (2320, 22072), (2480, 20648), (2581, 19840), (2759, 18560), (2848, 17980), (3560, 14384), (3596, 14240), (3712, 13795), (3968, 12905), (4495, 11392), (4640, 11036), (4960, 10324), (5162, 9920), (5518, 9280), (5696, 8990), (7120, 7192)]