145428400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{27967}}^1$

素因数の和:27998

約数の個数: 60

約数和(自身を含む): 376281472

約数和(自身を除く): 230853072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 27967, 55934, 111868, 139835, 223736, 279670, 363571, 447472, 559340, 699175, 727142, 1118680, 1398350, 1454284, 1817855, 2237360, 2796700, 2908568, 3635710, 5593400, 5817136, 7271420, 9089275, 11186800, 14542840, 18178550, 29085680, 36357100, 72714200, 145428400]

約数ペア:

[(1, 145428400), (2, 72714200), (4, 36357100), (5, 29085680), (8, 18178550), (10, 14542840), (13, 11186800), (16, 9089275), (20, 7271420), (25, 5817136), (26, 5593400), (40, 3635710), (50, 2908568), (52, 2796700), (65, 2237360), (80, 1817855), (100, 1454284), (104, 1398350), (130, 1118680), (200, 727142), (208, 699175), (260, 559340), (325, 447472), (400, 363571), (520, 279670), (650, 223736), (1040, 139835), (1300, 111868), (2600, 55934), (5200, 27967)]