80556160

素因数分解:

$2^7\times 5^1\times {\mathrm{191}}^1\times {\mathrm{659}}^1$

素因数の和:869

約数の個数: 64

約数和(自身を含む): 193881600

約数和(自身を除く): 113325440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 191, 320, 382, 640, 659, 764, 955, 1318, 1528, 1910, 2636, 3056, 3295, 3820, 5272, 6112, 6590, 7640, 10544, 12224, 13180, 15280, 21088, 24448, 26360, 30560, 42176, 52720, 61120, 84352, 105440, 122240, 125869, 210880, 251738, 421760, 503476, 629345, 1006952, 1258690, 2013904, 2517380, 4027808, 5034760, 8055616, 10069520, 16111232, 20139040, 40278080, 80556160]

約数ペア:

[(1, 80556160), (2, 40278080), (4, 20139040), (5, 16111232), (8, 10069520), (10, 8055616), (16, 5034760), (20, 4027808), (32, 2517380), (40, 2013904), (64, 1258690), (80, 1006952), (128, 629345), (160, 503476), (191, 421760), (320, 251738), (382, 210880), (640, 125869), (659, 122240), (764, 105440), (955, 84352), (1318, 61120), (1528, 52720), (1910, 42176), (2636, 30560), (3056, 26360), (3295, 24448), (3820, 21088), (5272, 15280), (6112, 13180), (6590, 12224), (7640, 10544)]