28443740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3529}}^1$

素因数の和:3582

約数の個数: 48

約数和(自身を含む): 66420480

約数和(自身を除く): 37976740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 3529, 4030, 7058, 8060, 14116, 17645, 35290, 45877, 70580, 91754, 109399, 183508, 218798, 229385, 437596, 458770, 546995, 917540, 1093990, 1422187, 2187980, 2844374, 5688748, 7110935, 14221870, 28443740]

約数ペア:

[(1, 28443740), (2, 14221870), (4, 7110935), (5, 5688748), (10, 2844374), (13, 2187980), (20, 1422187), (26, 1093990), (31, 917540), (52, 546995), (62, 458770), (65, 437596), (124, 229385), (130, 218798), (155, 183508), (260, 109399), (310, 91754), (403, 70580), (620, 45877), (806, 35290), (1612, 17645), (2015, 14116), (3529, 8060), (4030, 7058)]