55427840

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3331}}^1$

素因数の和:3365

約数の個数: 72

約数和(自身を含む): 143022768

約数和(自身を除く): 87594928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 3331, 4160, 6662, 8320, 13324, 16640, 16655, 26648, 33310, 43303, 53296, 66620, 86606, 106592, 133240, 173212, 213184, 216515, 266480, 346424, 426368, 433030, 532960, 692848, 852736, 866060, 1065920, 1385696, 1732120, 2131840, 2771392, 3464240, 4263680, 5542784, 6928480, 11085568, 13856960, 27713920, 55427840]

約数ペア:

[(1, 55427840), (2, 27713920), (4, 13856960), (5, 11085568), (8, 6928480), (10, 5542784), (13, 4263680), (16, 3464240), (20, 2771392), (26, 2131840), (32, 1732120), (40, 1385696), (52, 1065920), (64, 866060), (65, 852736), (80, 692848), (104, 532960), (128, 433030), (130, 426368), (160, 346424), (208, 266480), (256, 216515), (260, 213184), (320, 173212), (416, 133240), (520, 106592), (640, 86606), (832, 66620), (1040, 53296), (1280, 43303), (1664, 33310), (2080, 26648), (3328, 16655), (3331, 16640), (4160, 13324), (6662, 8320)]