25181000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^2\times {\mathrm{149}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 64233000

約数和(自身を除く): 39052000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 149, 169, 200, 250, 260, 298, 325, 338, 500, 520, 596, 650, 676, 745, 845, 1000, 1192, 1300, 1352, 1490, 1625, 1690, 1937, 2600, 2980, 3250, 3380, 3725, 3874, 4225, 5960, 6500, 6760, 7450, 7748, 8450, 9685, 13000, 14900, 15496, 16900, 18625, 19370, 21125, 25181, 29800, 33800, 37250, 38740, 42250, 48425, 50362, 74500, 77480, 84500, 96850, 100724, 125905, 149000, 169000, 193700, 201448, 242125, 251810, 387400, 484250, 503620, 629525, 968500, 1007240, 1259050, 1937000, 2518100, 3147625, 5036200, 6295250, 12590500, 25181000]

約数ペア:

[(1, 25181000), (2, 12590500), (4, 6295250), (5, 5036200), (8, 3147625), (10, 2518100), (13, 1937000), (20, 1259050), (25, 1007240), (26, 968500), (40, 629525), (50, 503620), (52, 484250), (65, 387400), (100, 251810), (104, 242125), (125, 201448), (130, 193700), (149, 169000), (169, 149000), (200, 125905), (250, 100724), (260, 96850), (298, 84500), (325, 77480), (338, 74500), (500, 50362), (520, 48425), (596, 42250), (650, 38740), (676, 37250), (745, 33800), (845, 29800), (1000, 25181), (1192, 21125), (1300, 19370), (1352, 18625), (1490, 16900), (1625, 15496), (1690, 14900), (1937, 13000), (2600, 9685), (2980, 8450), (3250, 7748), (3380, 7450), (3725, 6760), (3874, 6500), (4225, 5960)]