100789280

素因数分解:

$2^5\times 5^1\times {\mathrm{661}}^1\times {\mathrm{953}}^1$

素因数の和:1629

約数の個数: 48

約数和(自身を含む): 238725144

約数和(自身を除く): 137935864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 661, 953, 1322, 1906, 2644, 3305, 3812, 4765, 5288, 6610, 7624, 9530, 10576, 13220, 15248, 19060, 21152, 26440, 30496, 38120, 52880, 76240, 105760, 152480, 629933, 1259866, 2519732, 3149665, 5039464, 6299330, 10078928, 12598660, 20157856, 25197320, 50394640, 100789280]

約数ペア:

[(1, 100789280), (2, 50394640), (4, 25197320), (5, 20157856), (8, 12598660), (10, 10078928), (16, 6299330), (20, 5039464), (32, 3149665), (40, 2519732), (80, 1259866), (160, 629933), (661, 152480), (953, 105760), (1322, 76240), (1906, 52880), (2644, 38120), (3305, 30496), (3812, 26440), (4765, 21152), (5288, 19060), (6610, 15248), (7624, 13220), (9530, 10576)]