65483620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 141341760

約数和(自身を除く): 75858140

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 163, 212, 265, 326, 379, 530, 652, 758, 815, 1060, 1516, 1630, 1895, 3260, 3790, 7580, 8639, 17278, 20087, 34556, 40174, 43195, 61777, 80348, 86390, 100435, 123554, 172780, 200870, 247108, 308885, 401740, 617770, 1235540, 3274181, 6548362, 13096724, 16370905, 32741810, 65483620]

約数ペア:

[(1, 65483620), (2, 32741810), (4, 16370905), (5, 13096724), (10, 6548362), (20, 3274181), (53, 1235540), (106, 617770), (163, 401740), (212, 308885), (265, 247108), (326, 200870), (379, 172780), (530, 123554), (652, 100435), (758, 86390), (815, 80348), (1060, 61777), (1516, 43195), (1630, 40174), (1895, 34556), (3260, 20087), (3790, 17278), (7580, 8639)]