2019986720

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{141853}}^1$

素因数の和:141957

約数の個数: 48

約数和(自身を含む): 4825873080

約数和(自身を除く): 2805886360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 7120, 14240, 141853, 283706, 567412, 709265, 1134824, 1418530, 2269648, 2837060, 4539296, 5674120, 11348240, 12624917, 22696480, 25249834, 50499668, 63124585, 100999336, 126249170, 201998672, 252498340, 403997344, 504996680, 1009993360, 2019986720]

約数ペア:

[(1, 2019986720), (2, 1009993360), (4, 504996680), (5, 403997344), (8, 252498340), (10, 201998672), (16, 126249170), (20, 100999336), (32, 63124585), (40, 50499668), (80, 25249834), (89, 22696480), (160, 12624917), (178, 11348240), (356, 5674120), (445, 4539296), (712, 2837060), (890, 2269648), (1424, 1418530), (1780, 1134824), (2848, 709265), (3560, 567412), (7120, 283706), (14240, 141853)]