25412620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1823}}^1$

素因数の和:1890

約数の個数: 48

約数和(自身を含む): 57915648

約数和(自身を除く): 32503028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 1823, 2788, 3485, 3646, 6970, 7292, 9115, 13940, 18230, 30991, 36460, 61982, 74743, 123964, 149486, 154955, 298972, 309910, 373715, 619820, 747430, 1270631, 1494860, 2541262, 5082524, 6353155, 12706310, 25412620]

約数ペア:

[(1, 25412620), (2, 12706310), (4, 6353155), (5, 5082524), (10, 2541262), (17, 1494860), (20, 1270631), (34, 747430), (41, 619820), (68, 373715), (82, 309910), (85, 298972), (164, 154955), (170, 149486), (205, 123964), (340, 74743), (410, 61982), (697, 36460), (820, 30991), (1394, 18230), (1823, 13940), (2788, 9115), (3485, 7292), (3646, 6970)]