39210040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 92252160

約数和(自身を除く): 53042120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 103, 124, 155, 206, 248, 307, 310, 412, 515, 614, 620, 824, 1030, 1228, 1240, 1535, 2060, 2456, 3070, 3193, 4120, 6140, 6386, 9517, 12280, 12772, 15965, 19034, 25544, 31621, 31930, 38068, 47585, 63242, 63860, 76136, 95170, 126484, 127720, 158105, 190340, 252968, 316210, 380680, 632420, 980251, 1264840, 1960502, 3921004, 4901255, 7842008, 9802510, 19605020, 39210040]

約数ペア:

[(1, 39210040), (2, 19605020), (4, 9802510), (5, 7842008), (8, 4901255), (10, 3921004), (20, 1960502), (31, 1264840), (40, 980251), (62, 632420), (103, 380680), (124, 316210), (155, 252968), (206, 190340), (248, 158105), (307, 127720), (310, 126484), (412, 95170), (515, 76136), (614, 63860), (620, 63242), (824, 47585), (1030, 38068), (1228, 31930), (1240, 31621), (1535, 25544), (2060, 19034), (2456, 15965), (3070, 12772), (3193, 12280), (4120, 9517), (6140, 6386)]