55639740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71333}}^1$

素因数の和:71358

約数の個数: 48

約数和(自身を含む): 167777568

約数和(自身を除く): 112137828

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, 71333, 142666, 213999, 285332, 356665, 427998, 713330, 855996, 927329, 1069995, 1426660, 1854658, 2139990, 2781987, 3709316, 4279980, 4636645, 5563974, 9273290, 11127948, 13909935, 18546580, 27819870, 55639740]

約数ペア:

[(1, 55639740), (2, 27819870), (3, 18546580), (4, 13909935), (5, 11127948), (6, 9273290), (10, 5563974), (12, 4636645), (13, 4279980), (15, 3709316), (20, 2781987), (26, 2139990), (30, 1854658), (39, 1426660), (52, 1069995), (60, 927329), (65, 855996), (78, 713330), (130, 427998), (156, 356665), (195, 285332), (260, 213999), (390, 142666), (780, 71333)]