28901133040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1289}}^1\times {\mathrm{21559}}^1$

素因数の和:22874

約数の個数: 80

約数和(自身を含む): 72423489600

約数和(自身を除く): 43522356560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1289, 2578, 5156, 6445, 10312, 12890, 16757, 20624, 21559, 25780, 33514, 43118, 51560, 67028, 83785, 86236, 103120, 107795, 134056, 167570, 172472, 215590, 268112, 280267, 335140, 344944, 431180, 560534, 670280, 862360, 1121068, 1340560, 1401335, 1724720, 2242136, 2802670, 4484272, 5605340, 11210680, 22421360, 27789551, 55579102, 111158204, 138947755, 222316408, 277895510, 361264163, 444632816, 555791020, 722528326, 1111582040, 1445056652, 1806320815, 2223164080, 2890113304, 3612641630, 5780226608, 7225283260, 14450566520, 28901133040]

約数ペア:

[(1, 28901133040), (2, 14450566520), (4, 7225283260), (5, 5780226608), (8, 3612641630), (10, 2890113304), (13, 2223164080), (16, 1806320815), (20, 1445056652), (26, 1111582040), (40, 722528326), (52, 555791020), (65, 444632816), (80, 361264163), (104, 277895510), (130, 222316408), (208, 138947755), (260, 111158204), (520, 55579102), (1040, 27789551), (1289, 22421360), (2578, 11210680), (5156, 5605340), (6445, 4484272), (10312, 2802670), (12890, 2242136), (16757, 1724720), (20624, 1401335), (21559, 1340560), (25780, 1121068), (33514, 862360), (43118, 670280), (51560, 560534), (67028, 431180), (83785, 344944), (86236, 335140), (103120, 280267), (107795, 268112), (134056, 215590), (167570, 172472)]