25540240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29023}}^1$

素因数の和:29047

約数の個数: 40

約数和(自身を含む): 64781568

約数和(自身を除く): 39241328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 29023, 58046, 116092, 145115, 232184, 290230, 319253, 464368, 580460, 638506, 1160920, 1277012, 1596265, 2321840, 2554024, 3192530, 5108048, 6385060, 12770120, 25540240]

約数ペア:

[(1, 25540240), (2, 12770120), (4, 6385060), (5, 5108048), (8, 3192530), (10, 2554024), (11, 2321840), (16, 1596265), (20, 1277012), (22, 1160920), (40, 638506), (44, 580460), (55, 464368), (80, 319253), (88, 290230), (110, 232184), (176, 145115), (220, 116092), (440, 58046), (880, 29023)]