77896640

素因数分解:

$2^6\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1063}}^1$

素因数の和:1309

約数の個数: 56

約数和(自身を含む): 186476640

約数和(自身を除く): 108580000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 229, 320, 458, 916, 1063, 1145, 1832, 2126, 2290, 3664, 4252, 4580, 5315, 7328, 8504, 9160, 10630, 14656, 17008, 18320, 21260, 34016, 36640, 42520, 68032, 73280, 85040, 170080, 243427, 340160, 486854, 973708, 1217135, 1947416, 2434270, 3894832, 4868540, 7789664, 9737080, 15579328, 19474160, 38948320, 77896640]

約数ペア:

[(1, 77896640), (2, 38948320), (4, 19474160), (5, 15579328), (8, 9737080), (10, 7789664), (16, 4868540), (20, 3894832), (32, 2434270), (40, 1947416), (64, 1217135), (80, 973708), (160, 486854), (229, 340160), (320, 243427), (458, 170080), (916, 85040), (1063, 73280), (1145, 68032), (1832, 42520), (2126, 36640), (2290, 34016), (3664, 21260), (4252, 18320), (4580, 17008), (5315, 14656), (7328, 10630), (8504, 9160)]