65248720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47977}}^1$

素因数の和:48007

約数の個数: 40

約数和(自身を含む): 160630344

約数和(自身を除く): 95381624

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 47977, 95954, 191908, 239885, 383816, 479770, 767632, 815609, 959540, 1631218, 1919080, 3262436, 3838160, 4078045, 6524872, 8156090, 13049744, 16312180, 32624360, 65248720]

約数ペア:

[(1, 65248720), (2, 32624360), (4, 16312180), (5, 13049744), (8, 8156090), (10, 6524872), (16, 4078045), (17, 3838160), (20, 3262436), (34, 1919080), (40, 1631218), (68, 959540), (80, 815609), (85, 767632), (136, 479770), (170, 383816), (272, 239885), (340, 191908), (680, 95954), (1360, 47977)]