64004320

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23531}}^1$

素因数の和:23563

約数の個数: 48

約数和(自身を含む): 160111728

約数和(自身を除く): 96107408

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, 23531, 47062, 94124, 117655, 188248, 235310, 376496, 400027, 470620, 752992, 800054, 941240, 1600108, 1882480, 2000135, 3200216, 3764960, 4000270, 6400432, 8000540, 12800864, 16001080, 32002160, 64004320]

約数ペア:

[(1, 64004320), (2, 32002160), (4, 16001080), (5, 12800864), (8, 8000540), (10, 6400432), (16, 4000270), (17, 3764960), (20, 3200216), (32, 2000135), (34, 1882480), (40, 1600108), (68, 941240), (80, 800054), (85, 752992), (136, 470620), (160, 400027), (170, 376496), (272, 235310), (340, 188248), (544, 117655), (680, 94124), (1360, 47062), (2720, 23531)]