25404190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 56401920

約数和(自身を除く): 30997730

約数列:

[1, 2, 5, 7, 10, 14, 23, 31, 35, 46, 62, 70, 115, 155, 161, 217, 230, 310, 322, 434, 509, 713, 805, 1018, 1085, 1426, 1610, 2170, 2545, 3563, 3565, 4991, 5090, 7126, 7130, 9982, 11707, 15779, 17815, 23414, 24955, 31558, 35630, 49910, 58535, 78895, 81949, 110453, 117070, 157790, 163898, 220906, 362917, 409745, 552265, 725834, 819490, 1104530, 1814585, 2540419, 3629170, 5080838, 12702095, 25404190]

約数ペア:

[(1, 25404190), (2, 12702095), (5, 5080838), (7, 3629170), (10, 2540419), (14, 1814585), (23, 1104530), (31, 819490), (35, 725834), (46, 552265), (62, 409745), (70, 362917), (115, 220906), (155, 163898), (161, 157790), (217, 117070), (230, 110453), (310, 81949), (322, 78895), (434, 58535), (509, 49910), (713, 35630), (805, 31558), (1018, 24955), (1085, 23414), (1426, 17815), (1610, 15779), (2170, 11707), (2545, 9982), (3563, 7130), (3565, 7126), (4991, 5090)]