125970520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1543}}^1$

素因数の和:1724

約数の個数: 64

約数和(自身を含む): 307379520

約数和(自身を除く): 181409000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 785, 1256, 1543, 1570, 2041, 3086, 3140, 4082, 6172, 6280, 7715, 8164, 10205, 12344, 15430, 16328, 20059, 20410, 30860, 40118, 40820, 61720, 80236, 81640, 100295, 160472, 200590, 242251, 401180, 484502, 802360, 969004, 1211255, 1938008, 2422510, 3149263, 4845020, 6298526, 9690040, 12597052, 15746315, 25194104, 31492630, 62985260, 125970520]

約数ペア:

[(1, 125970520), (2, 62985260), (4, 31492630), (5, 25194104), (8, 15746315), (10, 12597052), (13, 9690040), (20, 6298526), (26, 4845020), (40, 3149263), (52, 2422510), (65, 1938008), (104, 1211255), (130, 969004), (157, 802360), (260, 484502), (314, 401180), (520, 242251), (628, 200590), (785, 160472), (1256, 100295), (1543, 81640), (1570, 80236), (2041, 61720), (3086, 40820), (3140, 40118), (4082, 30860), (6172, 20410), (6280, 20059), (7715, 16328), (8164, 15430), (10205, 12344)]