2654240

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 6409368

約数和(自身を除く): 3755128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 313, 424, 530, 626, 848, 1060, 1252, 1565, 1696, 2120, 2504, 3130, 4240, 5008, 6260, 8480, 10016, 12520, 16589, 25040, 33178, 50080, 66356, 82945, 132712, 165890, 265424, 331780, 530848, 663560, 1327120, 2654240]

約数ペア:

[(1, 2654240), (2, 1327120), (4, 663560), (5, 530848), (8, 331780), (10, 265424), (16, 165890), (20, 132712), (32, 82945), (40, 66356), (53, 50080), (80, 33178), (106, 25040), (160, 16589), (212, 12520), (265, 10016), (313, 8480), (424, 6260), (530, 5008), (626, 4240), (848, 3130), (1060, 2504), (1252, 2120), (1565, 1696)]