57978820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{659}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 125737920

約数和(自身を除く): 67759100

約数列:

[1, 2, 4, 5, 10, 20, 53, 83, 106, 166, 212, 265, 332, 415, 530, 659, 830, 1060, 1318, 1660, 2636, 3295, 4399, 6590, 8798, 13180, 17596, 21995, 34927, 43990, 54697, 69854, 87980, 109394, 139708, 174635, 218788, 273485, 349270, 546970, 698540, 1093940, 2898941, 5797882, 11595764, 14494705, 28989410, 57978820]

約数ペア:

[(1, 57978820), (2, 28989410), (4, 14494705), (5, 11595764), (10, 5797882), (20, 2898941), (53, 1093940), (83, 698540), (106, 546970), (166, 349270), (212, 273485), (265, 218788), (332, 174635), (415, 139708), (530, 109394), (659, 87980), (830, 69854), (1060, 54697), (1318, 43990), (1660, 34927), (2636, 21995), (3295, 17596), (4399, 13180), (6590, 8798)]