66375920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63823}}^1$

素因数の和:63849

約数の個数: 40

約数和(自身を含む): 166197696

約数和(自身を除く): 99821776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 63823, 127646, 255292, 319115, 510584, 638230, 829699, 1021168, 1276460, 1659398, 2552920, 3318796, 4148495, 5105840, 6637592, 8296990, 13275184, 16593980, 33187960, 66375920]

約数ペア:

[(1, 66375920), (2, 33187960), (4, 16593980), (5, 13275184), (8, 8296990), (10, 6637592), (13, 5105840), (16, 4148495), (20, 3318796), (26, 2552920), (40, 1659398), (52, 1276460), (65, 1021168), (80, 829699), (104, 638230), (130, 510584), (208, 319115), (260, 255292), (520, 127646), (1040, 63823)]