253557680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{102241}}^1$

素因数の和:102285

約数の個数: 40

約数和(自身を含む): 608544384

約数和(自身を除く): 354986704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 102241, 204482, 408964, 511205, 817928, 1022410, 1635856, 2044820, 3169471, 4089640, 6338942, 8179280, 12677884, 15847355, 25355768, 31694710, 50711536, 63389420, 126778840, 253557680]

約数ペア:

[(1, 253557680), (2, 126778840), (4, 63389420), (5, 50711536), (8, 31694710), (10, 25355768), (16, 15847355), (20, 12677884), (31, 8179280), (40, 6338942), (62, 4089640), (80, 3169471), (124, 2044820), (155, 1635856), (248, 1022410), (310, 817928), (496, 511205), (620, 408964), (1240, 204482), (2480, 102241)]