4028960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1$

素因数の和:190

約数の個数: 72

約数和(自身を含む): 10376100

約数和(自身を除く): 6347140

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 149, 160, 169, 208, 260, 298, 338, 416, 520, 596, 676, 745, 845, 1040, 1192, 1352, 1490, 1690, 1937, 2080, 2384, 2704, 2980, 3380, 3874, 4768, 5408, 5960, 6760, 7748, 9685, 11920, 13520, 15496, 19370, 23840, 25181, 27040, 30992, 38740, 50362, 61984, 77480, 100724, 125905, 154960, 201448, 251810, 309920, 402896, 503620, 805792, 1007240, 2014480, 4028960]

約数ペア:

[(1, 4028960), (2, 2014480), (4, 1007240), (5, 805792), (8, 503620), (10, 402896), (13, 309920), (16, 251810), (20, 201448), (26, 154960), (32, 125905), (40, 100724), (52, 77480), (65, 61984), (80, 50362), (104, 38740), (130, 30992), (149, 27040), (160, 25181), (169, 23840), (208, 19370), (260, 15496), (298, 13520), (338, 11920), (416, 9685), (520, 7748), (596, 6760), (676, 5960), (745, 5408), (845, 4768), (1040, 3874), (1192, 3380), (1352, 2980), (1490, 2704), (1690, 2384), (1937, 2080)]