28412800

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{683}}^1$

素因数の和:720

約数の個数: 96

約数和(自身を含む): 75698280

約数和(自身を除く): 47285480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 640, 650, 683, 800, 832, 1040, 1300, 1366, 1600, 1664, 2080, 2600, 2732, 3200, 3415, 4160, 5200, 5464, 6830, 8320, 8879, 10400, 10928, 13660, 17075, 17758, 20800, 21856, 27320, 34150, 35516, 41600, 43712, 44395, 54640, 68300, 71032, 87424, 88790, 109280, 136600, 142064, 177580, 218560, 221975, 273200, 284128, 355160, 437120, 443950, 546400, 568256, 710320, 887900, 1092800, 1136512, 1420640, 1775800, 2185600, 2841280, 3551600, 5682560, 7103200, 14206400, 28412800]

約数ペア:

[(1, 28412800), (2, 14206400), (4, 7103200), (5, 5682560), (8, 3551600), (10, 2841280), (13, 2185600), (16, 1775800), (20, 1420640), (25, 1136512), (26, 1092800), (32, 887900), (40, 710320), (50, 568256), (52, 546400), (64, 443950), (65, 437120), (80, 355160), (100, 284128), (104, 273200), (128, 221975), (130, 218560), (160, 177580), (200, 142064), (208, 136600), (260, 109280), (320, 88790), (325, 87424), (400, 71032), (416, 68300), (520, 54640), (640, 44395), (650, 43712), (683, 41600), (800, 35516), (832, 34150), (1040, 27320), (1300, 21856), (1366, 20800), (1600, 17758), (1664, 17075), (2080, 13660), (2600, 10928), (2732, 10400), (3200, 8879), (3415, 8320), (4160, 6830), (5200, 5464)]