64751620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2053}}^1$

素因数の和:2164

約数の個数: 48

約数和(自身を含む): 144930240

約数和(自身を除く): 80178620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 1577, 1660, 2053, 3154, 4106, 6308, 7885, 8212, 10265, 15770, 20530, 31540, 39007, 41060, 78014, 156028, 170399, 195035, 340798, 390070, 681596, 780140, 851995, 1703990, 3237581, 3407980, 6475162, 12950324, 16187905, 32375810, 64751620]

約数ペア:

[(1, 64751620), (2, 32375810), (4, 16187905), (5, 12950324), (10, 6475162), (19, 3407980), (20, 3237581), (38, 1703990), (76, 851995), (83, 780140), (95, 681596), (166, 390070), (190, 340798), (332, 195035), (380, 170399), (415, 156028), (830, 78014), (1577, 41060), (1660, 39007), (2053, 31540), (3154, 20530), (4106, 15770), (6308, 10265), (7885, 8212)]