40991968

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{67421}}^1$

素因数の和:67450

約数の個数: 24

約数和(自身を含む): 84951720

約数和(自身を除く): 43959752

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 67421, 134842, 269684, 539368, 1078736, 1280999, 2157472, 2561998, 5123996, 10247992, 20495984, 40991968]

約数ペア:

[(1, 40991968), (2, 20495984), (4, 10247992), (8, 5123996), (16, 2561998), (19, 2157472), (32, 1280999), (38, 1078736), (76, 539368), (152, 269684), (304, 134842), (608, 67421)]