1605622720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{385967}}^1$

素因数の和:385997

約数の個数: 56

約数和(自身を含む): 4117506624

約数和(自身を除く): 2511883904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 385967, 771934, 1543868, 1929835, 3087736, 3859670, 5017571, 6175472, 7719340, 10035142, 12350944, 15438680, 20070284, 24701888, 25087855, 30877360, 40140568, 50175710, 61754720, 80281136, 100351420, 123509440, 160562272, 200702840, 321124544, 401405680, 802811360, 1605622720]

約数ペア:

[(1, 1605622720), (2, 802811360), (4, 401405680), (5, 321124544), (8, 200702840), (10, 160562272), (13, 123509440), (16, 100351420), (20, 80281136), (26, 61754720), (32, 50175710), (40, 40140568), (52, 30877360), (64, 25087855), (65, 24701888), (80, 20070284), (104, 15438680), (130, 12350944), (160, 10035142), (208, 7719340), (260, 6175472), (320, 5017571), (416, 3859670), (520, 3087736), (832, 1929835), (1040, 1543868), (2080, 771934), (4160, 385967)]