40615840

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2617}}^1$

素因数の和:2729

約数の個数: 48

約数和(自身を含む): 96981192

約数和(自身を除く): 56365352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 2617, 3104, 3880, 5234, 7760, 10468, 13085, 15520, 20936, 26170, 41872, 52340, 83744, 104680, 209360, 253849, 418720, 507698, 1015396, 1269245, 2030792, 2538490, 4061584, 5076980, 8123168, 10153960, 20307920, 40615840]

約数ペア:

[(1, 40615840), (2, 20307920), (4, 10153960), (5, 8123168), (8, 5076980), (10, 4061584), (16, 2538490), (20, 2030792), (32, 1269245), (40, 1015396), (80, 507698), (97, 418720), (160, 253849), (194, 209360), (388, 104680), (485, 83744), (776, 52340), (970, 41872), (1552, 26170), (1940, 20936), (2617, 15520), (3104, 13085), (3880, 10468), (5234, 7760)]