65481280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12037}}^1$

素因数の和:12071

約数の個数: 56

約数和(自身を含む): 165113208

約数和(自身を除く): 99631928

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 12037, 24074, 48148, 60185, 96296, 120370, 192592, 204629, 240740, 385184, 409258, 481480, 770368, 818516, 962960, 1023145, 1637032, 1925920, 2046290, 3274064, 3851840, 4092580, 6548128, 8185160, 13096256, 16370320, 32740640, 65481280]

約数ペア:

[(1, 65481280), (2, 32740640), (4, 16370320), (5, 13096256), (8, 8185160), (10, 6548128), (16, 4092580), (17, 3851840), (20, 3274064), (32, 2046290), (34, 1925920), (40, 1637032), (64, 1023145), (68, 962960), (80, 818516), (85, 770368), (136, 481480), (160, 409258), (170, 385184), (272, 240740), (320, 204629), (340, 192592), (544, 120370), (680, 96296), (1088, 60185), (1360, 48148), (2720, 24074), (5440, 12037)]