25193220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32299}}^1$

素因数の和:32324

約数の個数: 48

約数和(自身を含む): 75969600

約数和(自身を除く): 50776380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 32299, 64598, 96897, 129196, 161495, 193794, 322990, 387588, 419887, 484485, 645980, 839774, 968970, 1259661, 1679548, 1937940, 2099435, 2519322, 4198870, 5038644, 6298305, 8397740, 12596610, 25193220]

約数ペア:

[(1, 25193220), (2, 12596610), (3, 8397740), (4, 6298305), (5, 5038644), (6, 4198870), (10, 2519322), (12, 2099435), (13, 1937940), (15, 1679548), (20, 1259661), (26, 968970), (30, 839774), (39, 645980), (52, 484485), (60, 419887), (65, 387588), (78, 322990), (130, 193794), (156, 161495), (195, 129196), (260, 96897), (390, 64598), (780, 32299)]