49648820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 116243064

約数和(自身を除く): 66594244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 169, 185, 260, 338, 370, 397, 481, 676, 740, 794, 845, 962, 1588, 1690, 1924, 1985, 2405, 3380, 3970, 4810, 5161, 6253, 7940, 9620, 10322, 12506, 14689, 20644, 25012, 25805, 29378, 31265, 51610, 58756, 62530, 67093, 73445, 103220, 125060, 134186, 146890, 190957, 268372, 293780, 335465, 381914, 670930, 763828, 954785, 1341860, 1909570, 2482441, 3819140, 4964882, 9929764, 12412205, 24824410, 49648820]

約数ペア:

[(1, 49648820), (2, 24824410), (4, 12412205), (5, 9929764), (10, 4964882), (13, 3819140), (20, 2482441), (26, 1909570), (37, 1341860), (52, 954785), (65, 763828), (74, 670930), (130, 381914), (148, 335465), (169, 293780), (185, 268372), (260, 190957), (338, 146890), (370, 134186), (397, 125060), (481, 103220), (676, 73445), (740, 67093), (794, 62530), (845, 58756), (962, 51610), (1588, 31265), (1690, 29378), (1924, 25805), (1985, 25012), (2405, 20644), (3380, 14689), (3970, 12506), (4810, 10322), (5161, 9620), (6253, 7940)]