1264001960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2430773}}^1$

素因数の和:2430797

約数の個数: 32

約数和(自身を含む): 3062775240

約数和(自身を除く): 1798773280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2430773, 4861546, 9723092, 12153865, 19446184, 24307730, 31600049, 48615460, 63200098, 97230920, 126400196, 158000245, 252800392, 316000490, 632000980, 1264001960]

約数ペア:

[(1, 1264001960), (2, 632000980), (4, 316000490), (5, 252800392), (8, 158000245), (10, 126400196), (13, 97230920), (20, 63200098), (26, 48615460), (40, 31600049), (52, 24307730), (65, 19446184), (104, 12153865), (130, 9723092), (260, 4861546), (520, 2430773)]