1631366320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{657809}}^1$

素因数の和:657853

約数の個数: 40

約数和(自身を含む): 3915285120

約数和(自身を除く): 2283918800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 657809, 1315618, 2631236, 3289045, 5262472, 6578090, 10524944, 13156180, 20392079, 26312360, 40784158, 52624720, 81568316, 101960395, 163136632, 203920790, 326273264, 407841580, 815683160, 1631366320]

約数ペア:

[(1, 1631366320), (2, 815683160), (4, 407841580), (5, 326273264), (8, 203920790), (10, 163136632), (16, 101960395), (20, 81568316), (31, 52624720), (40, 40784158), (62, 26312360), (80, 20392079), (124, 13156180), (155, 10524944), (248, 6578090), (310, 5262472), (496, 3289045), (620, 2631236), (1240, 1315618), (2480, 657809)]