31470920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60521}}^1$

素因数の和:60545

約数の個数: 32

約数和(自身を含む): 76257720

約数和(自身を除く): 44786800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 60521, 121042, 242084, 302605, 484168, 605210, 786773, 1210420, 1573546, 2420840, 3147092, 3933865, 6294184, 7867730, 15735460, 31470920]

約数ペア:

[(1, 31470920), (2, 15735460), (4, 7867730), (5, 6294184), (8, 3933865), (10, 3147092), (13, 2420840), (20, 1573546), (26, 1210420), (40, 786773), (52, 605210), (65, 484168), (104, 302605), (130, 242084), (260, 121042), (520, 60521)]