31729240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 76204800

約数和(自身を除く): 44475560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 152, 166, 190, 332, 380, 415, 503, 664, 760, 830, 1006, 1577, 1660, 2012, 2515, 3154, 3320, 4024, 5030, 6308, 7885, 9557, 10060, 12616, 15770, 19114, 20120, 31540, 38228, 41749, 47785, 63080, 76456, 83498, 95570, 166996, 191140, 208745, 333992, 382280, 417490, 793231, 834980, 1586462, 1669960, 3172924, 3966155, 6345848, 7932310, 15864620, 31729240]

約数ペア:

[(1, 31729240), (2, 15864620), (4, 7932310), (5, 6345848), (8, 3966155), (10, 3172924), (19, 1669960), (20, 1586462), (38, 834980), (40, 793231), (76, 417490), (83, 382280), (95, 333992), (152, 208745), (166, 191140), (190, 166996), (332, 95570), (380, 83498), (415, 76456), (503, 63080), (664, 47785), (760, 41749), (830, 38228), (1006, 31540), (1577, 20120), (1660, 19114), (2012, 15770), (2515, 12616), (3154, 10060), (3320, 9557), (4024, 7885), (5030, 6308)]