65416520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9677}}^1$

素因数の和:9714

約数の個数: 48

約数和(自身を含む): 159396660

約数和(自身を除く): 93980140

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 9677, 19354, 38708, 48385, 77416, 96770, 125801, 193540, 251602, 387080, 503204, 629005, 1006408, 1258010, 1635413, 2516020, 3270826, 5032040, 6541652, 8177065, 13083304, 16354130, 32708260, 65416520]

約数ペア:

[(1, 65416520), (2, 32708260), (4, 16354130), (5, 13083304), (8, 8177065), (10, 6541652), (13, 5032040), (20, 3270826), (26, 2516020), (40, 1635413), (52, 1258010), (65, 1006408), (104, 629005), (130, 503204), (169, 387080), (260, 251602), (338, 193540), (520, 125801), (676, 96770), (845, 77416), (1352, 48385), (1690, 38708), (3380, 19354), (6760, 9677)]