18006400

素因数分解:

$2^7\times 5^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:372

約数の個数: 96

約数和(自身を含む): 47240280

約数和(自身を除く): 29233880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 200, 272, 320, 331, 340, 400, 425, 544, 640, 662, 680, 800, 850, 1088, 1324, 1360, 1600, 1655, 1700, 2176, 2648, 2720, 3200, 3310, 3400, 5296, 5440, 5627, 6620, 6800, 8275, 10592, 10880, 11254, 13240, 13600, 16550, 21184, 22508, 26480, 27200, 28135, 33100, 42368, 45016, 52960, 54400, 56270, 66200, 90032, 105920, 112540, 132400, 140675, 180064, 211840, 225080, 264800, 281350, 360128, 450160, 529600, 562700, 720256, 900320, 1059200, 1125400, 1800640, 2250800, 3601280, 4501600, 9003200, 18006400]

約数ペア:

[(1, 18006400), (2, 9003200), (4, 4501600), (5, 3601280), (8, 2250800), (10, 1800640), (16, 1125400), (17, 1059200), (20, 900320), (25, 720256), (32, 562700), (34, 529600), (40, 450160), (50, 360128), (64, 281350), (68, 264800), (80, 225080), (85, 211840), (100, 180064), (128, 140675), (136, 132400), (160, 112540), (170, 105920), (200, 90032), (272, 66200), (320, 56270), (331, 54400), (340, 52960), (400, 45016), (425, 42368), (544, 33100), (640, 28135), (662, 27200), (680, 26480), (800, 22508), (850, 21184), (1088, 16550), (1324, 13600), (1360, 13240), (1600, 11254), (1655, 10880), (1700, 10592), (2176, 8275), (2648, 6800), (2720, 6620), (3200, 5627), (3310, 5440), (3400, 5296)]