71717920

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4621}}^1$

素因数の和:4733

約数の個数: 48

約数和(自身を含む): 171217368

約数和(自身を除く): 99499448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 4621, 7760, 9242, 15520, 18484, 23105, 36968, 46210, 73936, 92420, 147872, 184840, 369680, 448237, 739360, 896474, 1792948, 2241185, 3585896, 4482370, 7171792, 8964740, 14343584, 17929480, 35858960, 71717920]

約数ペア:

[(1, 71717920), (2, 35858960), (4, 17929480), (5, 14343584), (8, 8964740), (10, 7171792), (16, 4482370), (20, 3585896), (32, 2241185), (40, 1792948), (80, 896474), (97, 739360), (160, 448237), (194, 369680), (388, 184840), (485, 147872), (776, 92420), (970, 73936), (1552, 46210), (1940, 36968), (3104, 23105), (3880, 18484), (4621, 15520), (7760, 9242)]