126778840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{102241}}^1$

素因数の和:102283

約数の個数: 32

約数和(自身を含む): 294456960

約数和(自身を除く): 167678120

約数列:

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

約数ペア:

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