427389560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26513}}^1$

素因数の和:26568

約数の個数: 64

約数和(自身を含む): 1069044480

約数和(自身を除く): 641654920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 26513, 53026, 106052, 132565, 212104, 265130, 344669, 530260, 689338, 821903, 1060520, 1378676, 1643806, 1723345, 2757352, 3287612, 3446690, 4109515, 6575224, 6893380, 8219030, 10684739, 13786760, 16438060, 21369478, 32876120, 42738956, 53423695, 85477912, 106847390, 213694780, 427389560]

約数ペア:

[(1, 427389560), (2, 213694780), (4, 106847390), (5, 85477912), (8, 53423695), (10, 42738956), (13, 32876120), (20, 21369478), (26, 16438060), (31, 13786760), (40, 10684739), (52, 8219030), (62, 6893380), (65, 6575224), (104, 4109515), (124, 3446690), (130, 3287612), (155, 2757352), (248, 1723345), (260, 1643806), (310, 1378676), (403, 1060520), (520, 821903), (620, 689338), (806, 530260), (1240, 344669), (1612, 265130), (2015, 212104), (3224, 132565), (4030, 106052), (8060, 53026), (16120, 26513)]