1310920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2521}}^1$

素因数の和:2545

約数の個数: 32

約数和(自身を含む): 3177720

約数和(自身を除く): 1866800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2521, 5042, 10084, 12605, 20168, 25210, 32773, 50420, 65546, 100840, 131092, 163865, 262184, 327730, 655460, 1310920]

約数ペア:

[(1, 1310920), (2, 655460), (4, 327730), (5, 262184), (8, 163865), (10, 131092), (13, 100840), (20, 65546), (26, 50420), (40, 32773), (52, 25210), (65, 20168), (104, 12605), (130, 10084), (260, 5042), (520, 2521)]