40689415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1601}}^1$

素因数の和:1659

約数の個数: 32

約数和(自身を含む): 58133376

約数和(自身を除く): 17443961

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 1105, 1495, 1601, 1955, 5083, 8005, 20813, 25415, 27217, 36823, 104065, 136085, 184115, 353821, 478699, 625991, 1769105, 2393495, 3129955, 8137883, 40689415]

約数ペア:

[(1, 40689415), (5, 8137883), (13, 3129955), (17, 2393495), (23, 1769105), (65, 625991), (85, 478699), (115, 353821), (221, 184115), (299, 136085), (391, 104065), (1105, 36823), (1495, 27217), (1601, 25415), (1955, 20813), (5083, 8005)]