40919920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26921}}^1$

素因数の和:26953

約数の個数: 40

約数和(自身を含む): 100149840

約数和(自身を除く): 59229920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 26921, 53842, 107684, 134605, 215368, 269210, 430736, 511499, 538420, 1022998, 1076840, 2045996, 2153680, 2557495, 4091992, 5114990, 8183984, 10229980, 20459960, 40919920]

約数ペア:

[(1, 40919920), (2, 20459960), (4, 10229980), (5, 8183984), (8, 5114990), (10, 4091992), (16, 2557495), (19, 2153680), (20, 2045996), (38, 1076840), (40, 1022998), (76, 538420), (80, 511499), (95, 430736), (152, 269210), (190, 215368), (304, 134605), (380, 107684), (760, 53842), (1520, 26921)]