16118840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 22588360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 127, 152, 167, 190, 254, 334, 380, 508, 635, 668, 760, 835, 1016, 1270, 1336, 1670, 2413, 2540, 3173, 3340, 4826, 5080, 6346, 6680, 9652, 12065, 12692, 15865, 19304, 21209, 24130, 25384, 31730, 42418, 48260, 63460, 84836, 96520, 106045, 126920, 169672, 212090, 402971, 424180, 805942, 848360, 1611884, 2014855, 3223768, 4029710, 8059420, 16118840]

約数ペア:

[(1, 16118840), (2, 8059420), (4, 4029710), (5, 3223768), (8, 2014855), (10, 1611884), (19, 848360), (20, 805942), (38, 424180), (40, 402971), (76, 212090), (95, 169672), (127, 126920), (152, 106045), (167, 96520), (190, 84836), (254, 63460), (334, 48260), (380, 42418), (508, 31730), (635, 25384), (668, 24130), (760, 21209), (835, 19304), (1016, 15865), (1270, 12692), (1336, 12065), (1670, 9652), (2413, 6680), (2540, 6346), (3173, 5080), (3340, 4826)]