40037200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:285

約数の個数: 120

約数和(自身を含む): 111937280

約数和(自身を除く): 71900080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 79, 80, 100, 112, 140, 158, 175, 181, 200, 280, 316, 350, 362, 395, 400, 553, 560, 632, 700, 724, 790, 905, 1106, 1264, 1267, 1400, 1448, 1580, 1810, 1975, 2212, 2534, 2765, 2800, 2896, 3160, 3620, 3950, 4424, 4525, 5068, 5530, 6320, 6335, 7240, 7900, 8848, 9050, 10136, 11060, 12670, 13825, 14299, 14480, 15800, 18100, 20272, 22120, 25340, 27650, 28598, 31600, 31675, 36200, 44240, 50680, 55300, 57196, 63350, 71495, 72400, 100093, 101360, 110600, 114392, 126700, 142990, 200186, 221200, 228784, 253400, 285980, 357475, 400372, 500465, 506800, 571960, 714950, 800744, 1000930, 1143920, 1429900, 1601488, 2001860, 2502325, 2859800, 4003720, 5004650, 5719600, 8007440, 10009300, 20018600, 40037200]

約数ペア:

[(1, 40037200), (2, 20018600), (4, 10009300), (5, 8007440), (7, 5719600), (8, 5004650), (10, 4003720), (14, 2859800), (16, 2502325), (20, 2001860), (25, 1601488), (28, 1429900), (35, 1143920), (40, 1000930), (50, 800744), (56, 714950), (70, 571960), (79, 506800), (80, 500465), (100, 400372), (112, 357475), (140, 285980), (158, 253400), (175, 228784), (181, 221200), (200, 200186), (280, 142990), (316, 126700), (350, 114392), (362, 110600), (395, 101360), (400, 100093), (553, 72400), (560, 71495), (632, 63350), (700, 57196), (724, 55300), (790, 50680), (905, 44240), (1106, 36200), (1264, 31675), (1267, 31600), (1400, 28598), (1448, 27650), (1580, 25340), (1810, 22120), (1975, 20272), (2212, 18100), (2534, 15800), (2765, 14480), (2800, 14299), (2896, 13825), (3160, 12670), (3620, 11060), (3950, 10136), (4424, 9050), (4525, 8848), (5068, 7900), (5530, 7240), (6320, 6335)]