45000920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{18443}}^1$

素因数の和:18515

約数の個数: 32

約数和(自身を含む): 102917520

約数和(自身を除く): 57916600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 18443, 36886, 73772, 92215, 147544, 184430, 368860, 737720, 1125023, 2250046, 4500092, 5625115, 9000184, 11250230, 22500460, 45000920]

約数ペア:

[(1, 45000920), (2, 22500460), (4, 11250230), (5, 9000184), (8, 5625115), (10, 4500092), (20, 2250046), (40, 1125023), (61, 737720), (122, 368860), (244, 184430), (305, 147544), (488, 92215), (610, 73772), (1220, 36886), (2440, 18443)]