76913680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15761}}^1$

素因数の和:15835

約数の個数: 40

約数和(自身を含む): 181767384

約数和(自身を除く): 104853704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 15761, 31522, 63044, 78805, 126088, 157610, 252176, 315220, 630440, 961421, 1260880, 1922842, 3845684, 4807105, 7691368, 9614210, 15382736, 19228420, 38456840, 76913680]

約数ペア:

[(1, 76913680), (2, 38456840), (4, 19228420), (5, 15382736), (8, 9614210), (10, 7691368), (16, 4807105), (20, 3845684), (40, 1922842), (61, 1260880), (80, 961421), (122, 630440), (244, 315220), (305, 252176), (488, 157610), (610, 126088), (976, 78805), (1220, 63044), (2440, 31522), (4880, 15761)]