25803760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7867}}^1$

素因数の和:7921

約数の個数: 40

約数和(自身を含む): 61464816

約数和(自身を除く): 35661056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 7867, 15734, 31468, 39335, 62936, 78670, 125872, 157340, 314680, 322547, 629360, 645094, 1290188, 1612735, 2580376, 3225470, 5160752, 6450940, 12901880, 25803760]

約数ペア:

[(1, 25803760), (2, 12901880), (4, 6450940), (5, 5160752), (8, 3225470), (10, 2580376), (16, 1612735), (20, 1290188), (40, 645094), (41, 629360), (80, 322547), (82, 314680), (164, 157340), (205, 125872), (328, 78670), (410, 62936), (656, 39335), (820, 31468), (1640, 15734), (3280, 7867)]