1269652280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2441639}}^1$

素因数の和:2441663

約数の個数: 32

約数和(自身を含む): 3076466400

約数和(自身を除く): 1806814120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2441639, 4883278, 9766556, 12208195, 19533112, 24416390, 31741307, 48832780, 63482614, 97665560, 126965228, 158706535, 253930456, 317413070, 634826140, 1269652280]

約数ペア:

[(1, 1269652280), (2, 634826140), (4, 317413070), (5, 253930456), (8, 158706535), (10, 126965228), (13, 97665560), (20, 63482614), (26, 48832780), (40, 31741307), (52, 24416390), (65, 19533112), (104, 12208195), (130, 9766556), (260, 4883278), (520, 2441639)]