161975920

素因数分解:

$2^4\times 5^1\times {\mathrm{463}}^1\times {\mathrm{4373}}^1$

素因数の和:4849

約数の個数: 40

約数和(自身を含む): 377493696

約数和(自身を除く): 215517776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 463, 926, 1852, 2315, 3704, 4373, 4630, 7408, 8746, 9260, 17492, 18520, 21865, 34984, 37040, 43730, 69968, 87460, 174920, 349840, 2024699, 4049398, 8098796, 10123495, 16197592, 20246990, 32395184, 40493980, 80987960, 161975920]

約数ペア:

[(1, 161975920), (2, 80987960), (4, 40493980), (5, 32395184), (8, 20246990), (10, 16197592), (16, 10123495), (20, 8098796), (40, 4049398), (80, 2024699), (463, 349840), (926, 174920), (1852, 87460), (2315, 69968), (3704, 43730), (4373, 37040), (4630, 34984), (7408, 21865), (8746, 18520), (9260, 17492)]