516988240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{208463}}^1$

素因数の和:208507

約数の個数: 40

約数和(自身を含む): 1240777728

約数和(自身を除く): 723789488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 208463, 416926, 833852, 1042315, 1667704, 2084630, 3335408, 4169260, 6462353, 8338520, 12924706, 16677040, 25849412, 32311765, 51698824, 64623530, 103397648, 129247060, 258494120, 516988240]

約数ペア:

[(1, 516988240), (2, 258494120), (4, 129247060), (5, 103397648), (8, 64623530), (10, 51698824), (16, 32311765), (20, 25849412), (31, 16677040), (40, 12924706), (62, 8338520), (80, 6462353), (124, 4169260), (155, 3335408), (248, 2084630), (310, 1667704), (496, 1042315), (620, 833852), (1240, 416926), (2480, 208463)]