64198640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72953}}^1$

素因数の和:72977

約数の個数: 40

約数和(自身を含む): 162833328

約数和(自身を除く): 98634688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 72953, 145906, 291812, 364765, 583624, 729530, 802483, 1167248, 1459060, 1604966, 2918120, 3209932, 4012415, 5836240, 6419864, 8024830, 12839728, 16049660, 32099320, 64198640]

約数ペア:

[(1, 64198640), (2, 32099320), (4, 16049660), (5, 12839728), (8, 8024830), (10, 6419864), (11, 5836240), (16, 4012415), (20, 3209932), (22, 2918120), (40, 1604966), (44, 1459060), (55, 1167248), (80, 802483), (88, 729530), (110, 583624), (176, 364765), (220, 291812), (440, 145906), (880, 72953)]