25047800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 63277200

約数和(自身を除く): 38229400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 53, 68, 85, 100, 106, 136, 139, 170, 200, 212, 265, 278, 340, 424, 425, 530, 556, 680, 695, 850, 901, 1060, 1112, 1325, 1390, 1700, 1802, 2120, 2363, 2650, 2780, 3400, 3475, 3604, 4505, 4726, 5300, 5560, 6950, 7208, 7367, 9010, 9452, 10600, 11815, 13900, 14734, 18020, 18904, 22525, 23630, 27800, 29468, 36040, 36835, 45050, 47260, 58936, 59075, 73670, 90100, 94520, 118150, 125239, 147340, 180200, 184175, 236300, 250478, 294680, 368350, 472600, 500956, 626195, 736700, 1001912, 1252390, 1473400, 2504780, 3130975, 5009560, 6261950, 12523900, 25047800]

約数ペア:

[(1, 25047800), (2, 12523900), (4, 6261950), (5, 5009560), (8, 3130975), (10, 2504780), (17, 1473400), (20, 1252390), (25, 1001912), (34, 736700), (40, 626195), (50, 500956), (53, 472600), (68, 368350), (85, 294680), (100, 250478), (106, 236300), (136, 184175), (139, 180200), (170, 147340), (200, 125239), (212, 118150), (265, 94520), (278, 90100), (340, 73670), (424, 59075), (425, 58936), (530, 47260), (556, 45050), (680, 36835), (695, 36040), (850, 29468), (901, 27800), (1060, 23630), (1112, 22525), (1325, 18904), (1390, 18020), (1700, 14734), (1802, 13900), (2120, 11815), (2363, 10600), (2650, 9452), (2780, 9010), (3400, 7367), (3475, 7208), (3604, 6950), (4505, 5560), (4726, 5300)]