69651920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66973}}^1$

素因数の和:66999

約数の個数: 40

約数和(自身を含む): 174400296

約数和(自身を除く): 104748376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 66973, 133946, 267892, 334865, 535784, 669730, 870649, 1071568, 1339460, 1741298, 2678920, 3482596, 4353245, 5357840, 6965192, 8706490, 13930384, 17412980, 34825960, 69651920]

約数ペア:

[(1, 69651920), (2, 34825960), (4, 17412980), (5, 13930384), (8, 8706490), (10, 6965192), (13, 5357840), (16, 4353245), (20, 3482596), (26, 2678920), (40, 1741298), (52, 1339460), (65, 1071568), (80, 870649), (104, 669730), (130, 535784), (208, 334865), (260, 267892), (520, 133946), (1040, 66973)]