219955840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26437}}^1$

素因数の和:26469

約数の個数: 64

約数和(自身を含む): 566301960

約数和(自身を除く): 346346120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 26437, 52874, 105748, 132185, 211496, 264370, 343681, 422992, 528740, 687362, 845984, 1057480, 1374724, 1691968, 1718405, 2114960, 2749448, 3383936, 3436810, 4229920, 5498896, 6873620, 8459840, 10997792, 13747240, 16919680, 21995584, 27494480, 43991168, 54988960, 109977920, 219955840]

約数ペア:

[(1, 219955840), (2, 109977920), (4, 54988960), (5, 43991168), (8, 27494480), (10, 21995584), (13, 16919680), (16, 13747240), (20, 10997792), (26, 8459840), (32, 6873620), (40, 5498896), (52, 4229920), (64, 3436810), (65, 3383936), (80, 2749448), (104, 2114960), (128, 1718405), (130, 1691968), (160, 1374724), (208, 1057480), (260, 845984), (320, 687362), (416, 528740), (520, 422992), (640, 343681), (832, 264370), (1040, 211496), (1664, 132185), (2080, 105748), (4160, 52874), (8320, 26437)]