2018821120

素因数分解:

$2^{10}\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1117}}^1$

素因数の和:1495

約数の個数: 88

約数和(自身を含む): 4860871704

約数和(自身を除く): 2842050584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 353, 512, 640, 706, 1024, 1117, 1280, 1412, 1765, 2234, 2560, 2824, 3530, 4468, 5120, 5585, 5648, 7060, 8936, 11170, 11296, 14120, 17872, 22340, 22592, 28240, 35744, 44680, 45184, 56480, 71488, 89360, 90368, 112960, 142976, 178720, 180736, 225920, 285952, 357440, 361472, 394301, 451840, 571904, 714880, 788602, 903680, 1143808, 1429760, 1577204, 1807360, 1971505, 2859520, 3154408, 3943010, 5719040, 6308816, 7886020, 12617632, 15772040, 25235264, 31544080, 50470528, 63088160, 100941056, 126176320, 201882112, 252352640, 403764224, 504705280, 1009410560, 2018821120]

約数ペア:

[(1, 2018821120), (2, 1009410560), (4, 504705280), (5, 403764224), (8, 252352640), (10, 201882112), (16, 126176320), (20, 100941056), (32, 63088160), (40, 50470528), (64, 31544080), (80, 25235264), (128, 15772040), (160, 12617632), (256, 7886020), (320, 6308816), (353, 5719040), (512, 3943010), (640, 3154408), (706, 2859520), (1024, 1971505), (1117, 1807360), (1280, 1577204), (1412, 1429760), (1765, 1143808), (2234, 903680), (2560, 788602), (2824, 714880), (3530, 571904), (4468, 451840), (5120, 394301), (5585, 361472), (5648, 357440), (7060, 285952), (8936, 225920), (11170, 180736), (11296, 178720), (14120, 142976), (17872, 112960), (22340, 90368), (22592, 89360), (28240, 71488), (35744, 56480), (44680, 45184)]