316812560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127747}}^1$

素因数の和:127791

約数の個数: 40

約数和(自身を含む): 760356096

約数和(自身を除く): 443543536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 127747, 255494, 510988, 638735, 1021976, 1277470, 2043952, 2554940, 3960157, 5109880, 7920314, 10219760, 15840628, 19800785, 31681256, 39601570, 63362512, 79203140, 158406280, 316812560]

約数ペア:

[(1, 316812560), (2, 158406280), (4, 79203140), (5, 63362512), (8, 39601570), (10, 31681256), (16, 19800785), (20, 15840628), (31, 10219760), (40, 7920314), (62, 5109880), (80, 3960157), (124, 2554940), (155, 2043952), (248, 1277470), (310, 1021976), (496, 638735), (620, 510988), (1240, 255494), (2480, 127747)]