2080451960

素因数分解:

$2^3\times 5^1\times {\mathrm{2767}}^1\times {\mathrm{18797}}^1$

素因数の和:21575

約数の個数: 32

約数和(自身を含む): 4682957760

約数和(自身を除く): 2602505800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2767, 5534, 11068, 13835, 18797, 22136, 27670, 37594, 55340, 75188, 93985, 110680, 150376, 187970, 375940, 751880, 52011299, 104022598, 208045196, 260056495, 416090392, 520112990, 1040225980, 2080451960]

約数ペア:

[(1, 2080451960), (2, 1040225980), (4, 520112990), (5, 416090392), (8, 260056495), (10, 208045196), (20, 104022598), (40, 52011299), (2767, 751880), (5534, 375940), (11068, 187970), (13835, 150376), (18797, 110680), (22136, 93985), (27670, 75188), (37594, 55340)]