64718180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4603}}^1$

素因数の和:4668

約数の個数: 48

約数和(自身を含む): 146959680

約数和(自身を除く): 82241500

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 3515, 4603, 7030, 9206, 14060, 18412, 23015, 46030, 87457, 92060, 170311, 174914, 340622, 349828, 437285, 681244, 851555, 874570, 1703110, 1749140, 3235909, 3406220, 6471818, 12943636, 16179545, 32359090, 64718180]

約数ペア:

[(1, 64718180), (2, 32359090), (4, 16179545), (5, 12943636), (10, 6471818), (19, 3406220), (20, 3235909), (37, 1749140), (38, 1703110), (74, 874570), (76, 851555), (95, 681244), (148, 437285), (185, 349828), (190, 340622), (370, 174914), (380, 170311), (703, 92060), (740, 87457), (1406, 46030), (2812, 23015), (3515, 18412), (4603, 14060), (7030, 9206)]