12718040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 30909600

約数和(自身を除く): 18191560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 317, 340, 472, 590, 634, 680, 1003, 1180, 1268, 1585, 2006, 2360, 2536, 3170, 4012, 5015, 5389, 6340, 8024, 10030, 10778, 12680, 18703, 20060, 21556, 26945, 37406, 40120, 43112, 53890, 74812, 93515, 107780, 149624, 187030, 215560, 317951, 374060, 635902, 748120, 1271804, 1589755, 2543608, 3179510, 6359020, 12718040]

約数ペア:

[(1, 12718040), (2, 6359020), (4, 3179510), (5, 2543608), (8, 1589755), (10, 1271804), (17, 748120), (20, 635902), (34, 374060), (40, 317951), (59, 215560), (68, 187030), (85, 149624), (118, 107780), (136, 93515), (170, 74812), (236, 53890), (295, 43112), (317, 40120), (340, 37406), (472, 26945), (590, 21556), (634, 20060), (680, 18703), (1003, 12680), (1180, 10778), (1268, 10030), (1585, 8024), (2006, 6340), (2360, 5389), (2536, 5015), (3170, 4012)]