72788890850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17359}}^1\times {\mathrm{6451}}^1$

素因数の和:23835

約数の個数: 48

約数和(自身を含む): 145832749440

約数和(自身を除く): 73043858590

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 6451, 12902, 17359, 32255, 34718, 64510, 83863, 86795, 161275, 167726, 173590, 225667, 322550, 419315, 433975, 451334, 838630, 867950, 1128335, 2096575, 2256670, 4193150, 5641675, 11283350, 111982909, 223965818, 559914545, 1119829090, 1455777817, 2799572725, 2911555634, 5599145450, 7278889085, 14557778170, 36394445425, 72788890850]

約数ペア:

[(1, 72788890850), (2, 36394445425), (5, 14557778170), (10, 7278889085), (13, 5599145450), (25, 2911555634), (26, 2799572725), (50, 1455777817), (65, 1119829090), (130, 559914545), (325, 223965818), (650, 111982909), (6451, 11283350), (12902, 5641675), (17359, 4193150), (32255, 2256670), (34718, 2096575), (64510, 1128335), (83863, 867950), (86795, 838630), (161275, 451334), (167726, 433975), (173590, 419315), (225667, 322550)]