20146918480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{412171}}^1$

素因数の和:412244

約数の個数: 80

約数和(自身を含む): 51518202624

約数和(自身を除く): 31371284144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 188, 208, 235, 260, 376, 470, 520, 611, 752, 940, 1040, 1222, 1880, 2444, 3055, 3760, 4888, 6110, 9776, 12220, 24440, 48880, 412171, 824342, 1648684, 2060855, 3297368, 4121710, 5358223, 6594736, 8243420, 10716446, 16486840, 19372037, 21432892, 26791115, 32973680, 38744074, 42865784, 53582230, 77488148, 85731568, 96860185, 107164460, 154976296, 193720370, 214328920, 251836481, 309952592, 387440740, 428657840, 503672962, 774881480, 1007345924, 1259182405, 1549762960, 2014691848, 2518364810, 4029383696, 5036729620, 10073459240, 20146918480]

約数ペア:

[(1, 20146918480), (2, 10073459240), (4, 5036729620), (5, 4029383696), (8, 2518364810), (10, 2014691848), (13, 1549762960), (16, 1259182405), (20, 1007345924), (26, 774881480), (40, 503672962), (47, 428657840), (52, 387440740), (65, 309952592), (80, 251836481), (94, 214328920), (104, 193720370), (130, 154976296), (188, 107164460), (208, 96860185), (235, 85731568), (260, 77488148), (376, 53582230), (470, 42865784), (520, 38744074), (611, 32973680), (752, 26791115), (940, 21432892), (1040, 19372037), (1222, 16486840), (1880, 10716446), (2444, 8243420), (3055, 6594736), (3760, 5358223), (4888, 4121710), (6110, 3297368), (9776, 2060855), (12220, 1648684), (24440, 824342), (48880, 412171)]