7320680

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{461}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 16548840

約数和(自身を除く): 9228160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 461, 794, 922, 1588, 1844, 1985, 2305, 3176, 3688, 3970, 4610, 7940, 9220, 15880, 18440, 183017, 366034, 732068, 915085, 1464136, 1830170, 3660340, 7320680]

約数ペア:

[(1, 7320680), (2, 3660340), (4, 1830170), (5, 1464136), (8, 915085), (10, 732068), (20, 366034), (40, 183017), (397, 18440), (461, 15880), (794, 9220), (922, 7940), (1588, 4610), (1844, 3970), (1985, 3688), (2305, 3176)]