335909080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{645979}}^1$

素因数の和:646003

約数の個数: 32

約数和(自身を含む): 813934800

約数和(自身を除く): 478025720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 645979, 1291958, 2583916, 3229895, 5167832, 6459790, 8397727, 12919580, 16795454, 25839160, 33590908, 41988635, 67181816, 83977270, 167954540, 335909080]

約数ペア:

[(1, 335909080), (2, 167954540), (4, 83977270), (5, 67181816), (8, 41988635), (10, 33590908), (13, 25839160), (20, 16795454), (26, 12919580), (40, 8397727), (52, 6459790), (65, 5167832), (104, 3229895), (130, 2583916), (260, 1291958), (520, 645979)]