40312490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{641}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 76731840

約数和(自身を除く): 36419350

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 331, 641, 662, 1282, 1655, 3205, 3310, 6289, 6410, 12179, 12578, 24358, 31445, 60895, 62890, 121790, 212171, 424342, 1060855, 2121710, 4031249, 8062498, 20156245, 40312490]

約数ペア:

[(1, 40312490), (2, 20156245), (5, 8062498), (10, 4031249), (19, 2121710), (38, 1060855), (95, 424342), (190, 212171), (331, 121790), (641, 62890), (662, 60895), (1282, 31445), (1655, 24358), (3205, 12578), (3310, 12179), (6289, 6410)]