880258640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{20879}}^1$

素因数の和:20940

約数の個数: 80

約数和(自身を含む): 2236999680

約数和(自身を除く): 1356741040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4216, 5270, 8432, 10540, 20879, 21080, 41758, 42160, 83516, 104395, 167032, 208790, 334064, 354943, 417580, 647249, 709886, 835160, 1294498, 1419772, 1670320, 1774715, 2588996, 2839544, 3236245, 3549430, 5177992, 5679088, 6472490, 7098860, 10355984, 11003233, 12944980, 14197720, 22006466, 25889960, 28395440, 44012932, 51779920, 55016165, 88025864, 110032330, 176051728, 220064660, 440129320, 880258640]

約数ペア:

[(1, 880258640), (2, 440129320), (4, 220064660), (5, 176051728), (8, 110032330), (10, 88025864), (16, 55016165), (17, 51779920), (20, 44012932), (31, 28395440), (34, 25889960), (40, 22006466), (62, 14197720), (68, 12944980), (80, 11003233), (85, 10355984), (124, 7098860), (136, 6472490), (155, 5679088), (170, 5177992), (248, 3549430), (272, 3236245), (310, 2839544), (340, 2588996), (496, 1774715), (527, 1670320), (620, 1419772), (680, 1294498), (1054, 835160), (1240, 709886), (1360, 647249), (2108, 417580), (2480, 354943), (2635, 334064), (4216, 208790), (5270, 167032), (8432, 104395), (10540, 83516), (20879, 42160), (21080, 41758)]