820632160

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{301703}}^1$

素因数の和:301735

約数の個数: 48

約数和(自身を含む): 2052794016

約数和(自身を除く): 1232161856

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 301703, 603406, 1206812, 1508515, 2413624, 3017030, 4827248, 5128951, 6034060, 9654496, 10257902, 12068120, 20515804, 24136240, 25644755, 41031608, 48272480, 51289510, 82063216, 102579020, 164126432, 205158040, 410316080, 820632160]

約数ペア:

[(1, 820632160), (2, 410316080), (4, 205158040), (5, 164126432), (8, 102579020), (10, 82063216), (16, 51289510), (17, 48272480), (20, 41031608), (32, 25644755), (34, 24136240), (40, 20515804), (68, 12068120), (80, 10257902), (85, 9654496), (136, 6034060), (160, 5128951), (170, 4827248), (272, 3017030), (340, 2413624), (544, 1508515), (680, 1206812), (1360, 603406), (2720, 301703)]