90272080

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{11633}}^1$

素因数の和:11743

約数の個数: 40

約数和(自身を含む): 212064552

約数和(自身を除く): 121792472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 11633, 23266, 46532, 58165, 93064, 116330, 186128, 232660, 465320, 930640, 1128401, 2256802, 4513604, 5642005, 9027208, 11284010, 18054416, 22568020, 45136040, 90272080]

約数ペア:

[(1, 90272080), (2, 45136040), (4, 22568020), (5, 18054416), (8, 11284010), (10, 9027208), (16, 5642005), (20, 4513604), (40, 2256802), (80, 1128401), (97, 930640), (194, 465320), (388, 232660), (485, 186128), (776, 116330), (970, 93064), (1552, 58165), (1940, 46532), (3880, 23266), (7760, 11633)]