19760800

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1453}}^1$

素因数の和:1490

約数の個数: 72

約数和(自身を含む): 51113916

約数和(自身を除く): 31353116

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 136, 160, 170, 200, 272, 340, 400, 425, 544, 680, 800, 850, 1360, 1453, 1700, 2720, 2906, 3400, 5812, 6800, 7265, 11624, 13600, 14530, 23248, 24701, 29060, 36325, 46496, 49402, 58120, 72650, 98804, 116240, 123505, 145300, 197608, 232480, 247010, 290600, 395216, 494020, 581200, 617525, 790432, 988040, 1162400, 1235050, 1976080, 2470100, 3952160, 4940200, 9880400, 19760800]

約数ペア:

[(1, 19760800), (2, 9880400), (4, 4940200), (5, 3952160), (8, 2470100), (10, 1976080), (16, 1235050), (17, 1162400), (20, 988040), (25, 790432), (32, 617525), (34, 581200), (40, 494020), (50, 395216), (68, 290600), (80, 247010), (85, 232480), (100, 197608), (136, 145300), (160, 123505), (170, 116240), (200, 98804), (272, 72650), (340, 58120), (400, 49402), (425, 46496), (544, 36325), (680, 29060), (800, 24701), (850, 23248), (1360, 14530), (1453, 13600), (1700, 11624), (2720, 7265), (2906, 6800), (3400, 5812)]