2019885920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{971099}}^1$

素因数の和:971127

約数の個数: 48

約数和(自身を含む): 5139061200

約数和(自身を除く): 3119175280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 971099, 1942198, 3884396, 4855495, 7768792, 9710990, 12624287, 15537584, 19421980, 25248574, 31075168, 38843960, 50497148, 63121435, 77687920, 100994296, 126242870, 155375840, 201988592, 252485740, 403977184, 504971480, 1009942960, 2019885920]

約数ペア:

[(1, 2019885920), (2, 1009942960), (4, 504971480), (5, 403977184), (8, 252485740), (10, 201988592), (13, 155375840), (16, 126242870), (20, 100994296), (26, 77687920), (32, 63121435), (40, 50497148), (52, 38843960), (65, 31075168), (80, 25248574), (104, 19421980), (130, 15537584), (160, 12624287), (208, 9710990), (260, 7768792), (416, 4855495), (520, 3884396), (1040, 1942198), (2080, 971099)]