13971320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 34719840

約数和(自身を除く): 20748520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 220, 226, 281, 440, 452, 562, 565, 904, 1124, 1130, 1243, 1405, 2248, 2260, 2486, 2810, 3091, 4520, 4972, 5620, 6182, 6215, 9944, 11240, 12364, 12430, 15455, 24728, 24860, 30910, 31753, 49720, 61820, 63506, 123640, 127012, 158765, 254024, 317530, 349283, 635060, 698566, 1270120, 1397132, 1746415, 2794264, 3492830, 6985660, 13971320]

約数ペア:

[(1, 13971320), (2, 6985660), (4, 3492830), (5, 2794264), (8, 1746415), (10, 1397132), (11, 1270120), (20, 698566), (22, 635060), (40, 349283), (44, 317530), (55, 254024), (88, 158765), (110, 127012), (113, 123640), (220, 63506), (226, 61820), (281, 49720), (440, 31753), (452, 30910), (562, 24860), (565, 24728), (904, 15455), (1124, 12430), (1130, 12364), (1243, 11240), (1405, 9944), (2248, 6215), (2260, 6182), (2486, 5620), (2810, 4972), (3091, 4520)]