12739740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16333}}^1$

素因数の和:16358

約数の個数: 48

約数和(自身を含む): 38417568

約数和(自身を除く): 25677828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 16333, 32666, 48999, 65332, 81665, 97998, 163330, 195996, 212329, 244995, 326660, 424658, 489990, 636987, 849316, 979980, 1061645, 1273974, 2123290, 2547948, 3184935, 4246580, 6369870, 12739740]

約数ペア:

[(1, 12739740), (2, 6369870), (3, 4246580), (4, 3184935), (5, 2547948), (6, 2123290), (10, 1273974), (12, 1061645), (13, 979980), (15, 849316), (20, 636987), (26, 489990), (30, 424658), (39, 326660), (52, 244995), (60, 212329), (65, 195996), (78, 163330), (130, 97998), (156, 81665), (195, 65332), (260, 48999), (390, 32666), (780, 16333)]