31369947880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{466537}}^1$

素因数の和:466630

約数の個数: 48

約数和(自身を含む): 72346047660

約数和(自身を除く): 40976099780

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1681, 3362, 6724, 8405, 13448, 16810, 33620, 67240, 466537, 933074, 1866148, 2332685, 3732296, 4665370, 9330740, 18661480, 19128017, 38256034, 76512068, 95640085, 153024136, 191280170, 382560340, 765120680, 784248697, 1568497394, 3136994788, 3921243485, 6273989576, 7842486970, 15684973940, 31369947880]

約数ペア:

[(1, 31369947880), (2, 15684973940), (4, 7842486970), (5, 6273989576), (8, 3921243485), (10, 3136994788), (20, 1568497394), (40, 784248697), (41, 765120680), (82, 382560340), (164, 191280170), (205, 153024136), (328, 95640085), (410, 76512068), (820, 38256034), (1640, 19128017), (1681, 18661480), (3362, 9330740), (6724, 4665370), (8405, 3732296), (13448, 2332685), (16810, 1866148), (33620, 933074), (67240, 466537)]