28539660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3631}}^1$

素因数の和:3774

約数の個数: 48

約数和(自身を含む): 80543232

約数和(自身を除く): 52003572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3631, 3930, 7262, 7860, 10893, 14524, 18155, 21786, 36310, 43572, 54465, 72620, 108930, 217860, 475661, 951322, 1426983, 1902644, 2378305, 2853966, 4756610, 5707932, 7134915, 9513220, 14269830, 28539660]

約数ペア:

[(1, 28539660), (2, 14269830), (3, 9513220), (4, 7134915), (5, 5707932), (6, 4756610), (10, 2853966), (12, 2378305), (15, 1902644), (20, 1426983), (30, 951322), (60, 475661), (131, 217860), (262, 108930), (393, 72620), (524, 54465), (655, 43572), (786, 36310), (1310, 21786), (1572, 18155), (1965, 14524), (2620, 10893), (3631, 7860), (3930, 7262)]