5165920

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 12383280

約数和(自身を除く): 7217360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 389, 415, 664, 778, 830, 1328, 1556, 1660, 1945, 2656, 3112, 3320, 3890, 6224, 6640, 7780, 12448, 13280, 15560, 31120, 32287, 62240, 64574, 129148, 161435, 258296, 322870, 516592, 645740, 1033184, 1291480, 2582960, 5165920]

約数ペア:

[(1, 5165920), (2, 2582960), (4, 1291480), (5, 1033184), (8, 645740), (10, 516592), (16, 322870), (20, 258296), (32, 161435), (40, 129148), (80, 64574), (83, 62240), (160, 32287), (166, 31120), (332, 15560), (389, 13280), (415, 12448), (664, 7780), (778, 6640), (830, 6224), (1328, 3890), (1556, 3320), (1660, 3112), (1945, 2656)]