65117480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 160475040

約数和(自身を除く): 95357560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 131, 136, 170, 172, 215, 262, 289, 340, 344, 430, 524, 578, 655, 680, 731, 860, 1048, 1156, 1310, 1445, 1462, 1720, 2227, 2312, 2620, 2890, 2924, 3655, 4454, 5240, 5633, 5780, 5848, 7310, 8908, 11135, 11266, 11560, 12427, 14620, 17816, 22270, 22532, 24854, 28165, 29240, 37859, 44540, 45064, 49708, 56330, 62135, 75718, 89080, 95761, 99416, 112660, 124270, 151436, 189295, 191522, 225320, 248540, 302872, 378590, 383044, 478805, 497080, 757180, 766088, 957610, 1514360, 1627937, 1915220, 3255874, 3830440, 6511748, 8139685, 13023496, 16279370, 32558740, 65117480]

約数ペア:

[(1, 65117480), (2, 32558740), (4, 16279370), (5, 13023496), (8, 8139685), (10, 6511748), (17, 3830440), (20, 3255874), (34, 1915220), (40, 1627937), (43, 1514360), (68, 957610), (85, 766088), (86, 757180), (131, 497080), (136, 478805), (170, 383044), (172, 378590), (215, 302872), (262, 248540), (289, 225320), (340, 191522), (344, 189295), (430, 151436), (524, 124270), (578, 112660), (655, 99416), (680, 95761), (731, 89080), (860, 75718), (1048, 62135), (1156, 56330), (1310, 49708), (1445, 45064), (1462, 44540), (1720, 37859), (2227, 29240), (2312, 28165), (2620, 24854), (2890, 22532), (2924, 22270), (3655, 17816), (4454, 14620), (5240, 12427), (5633, 11560), (5780, 11266), (5848, 11135), (7310, 8908)]