19577200

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2879}}^1$

素因数の和:2914

約数の個数: 60

約数和(自身を含む): 49818240

約数和(自身を除く): 30241040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 2879, 3400, 5758, 6800, 11516, 14395, 23032, 28790, 46064, 48943, 57580, 71975, 97886, 115160, 143950, 195772, 230320, 244715, 287900, 391544, 489430, 575800, 783088, 978860, 1151600, 1223575, 1957720, 2447150, 3915440, 4894300, 9788600, 19577200]

約数ペア:

[(1, 19577200), (2, 9788600), (4, 4894300), (5, 3915440), (8, 2447150), (10, 1957720), (16, 1223575), (17, 1151600), (20, 978860), (25, 783088), (34, 575800), (40, 489430), (50, 391544), (68, 287900), (80, 244715), (85, 230320), (100, 195772), (136, 143950), (170, 115160), (200, 97886), (272, 71975), (340, 57580), (400, 48943), (425, 46064), (680, 28790), (850, 23032), (1360, 14395), (1700, 11516), (2879, 6800), (3400, 5758)]