25330890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64951}}^1$

素因数の和:64974

約数の個数: 32

約数和(自身を含む): 65471616

約数和(自身を除く): 40140726

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 64951, 129902, 194853, 324755, 389706, 649510, 844363, 974265, 1688726, 1948530, 2533089, 4221815, 5066178, 8443630, 12665445, 25330890]

約数ペア:

[(1, 25330890), (2, 12665445), (3, 8443630), (5, 5066178), (6, 4221815), (10, 2533089), (13, 1948530), (15, 1688726), (26, 974265), (30, 844363), (39, 649510), (65, 389706), (78, 324755), (130, 194853), (195, 129902), (390, 64951)]