1272640

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 56

約数和(自身を含む): 3136392

約数和(自身を除く): 1863752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 97, 160, 164, 194, 205, 320, 328, 388, 410, 485, 656, 776, 820, 970, 1312, 1552, 1640, 1940, 2624, 3104, 3280, 3880, 3977, 6208, 6560, 7760, 7954, 13120, 15520, 15908, 19885, 31040, 31816, 39770, 63632, 79540, 127264, 159080, 254528, 318160, 636320, 1272640]

約数ペア:

[(1, 1272640), (2, 636320), (4, 318160), (5, 254528), (8, 159080), (10, 127264), (16, 79540), (20, 63632), (32, 39770), (40, 31816), (41, 31040), (64, 19885), (80, 15908), (82, 15520), (97, 13120), (160, 7954), (164, 7760), (194, 6560), (205, 6208), (320, 3977), (328, 3880), (388, 3280), (410, 3104), (485, 2624), (656, 1940), (776, 1640), (820, 1552), (970, 1312)]