63747580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{245183}}^1$

素因数の和:245205

約数の個数: 24

約数和(自身を含む): 144168192

約数和(自身を除く): 80420612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 245183, 490366, 980732, 1225915, 2451830, 3187379, 4903660, 6374758, 12749516, 15936895, 31873790, 63747580]

約数ペア:

[(1, 63747580), (2, 31873790), (4, 15936895), (5, 12749516), (10, 6374758), (13, 4903660), (20, 3187379), (26, 2451830), (52, 1225915), (65, 980732), (130, 490366), (260, 245183)]