40691768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20593}}^1$

素因数の和:20631

約数の個数: 32

約数和(自身を含む): 86494800

約数和(自身を除く): 45803032

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 20593, 41186, 82372, 164744, 267709, 391267, 535418, 782534, 1070836, 1565068, 2141672, 3130136, 5086471, 10172942, 20345884, 40691768]

約数ペア:

[(1, 40691768), (2, 20345884), (4, 10172942), (8, 5086471), (13, 3130136), (19, 2141672), (26, 1565068), (38, 1070836), (52, 782534), (76, 535418), (104, 391267), (152, 267709), (247, 164744), (494, 82372), (988, 41186), (1976, 20593)]