71989580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{276883}}^1$

素因数の和:276905

約数の個数: 24

約数和(自身を含む): 162807792

約数和(自身を除く): 90818212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 276883, 553766, 1107532, 1384415, 2768830, 3599479, 5537660, 7198958, 14397916, 17997395, 35994790, 71989580]

約数ペア:

[(1, 71989580), (2, 35994790), (4, 17997395), (5, 14397916), (10, 7198958), (13, 5537660), (20, 3599479), (26, 2768830), (52, 1384415), (65, 1107532), (130, 553766), (260, 276883)]