2568040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 6336000

約数和(自身を除く): 3767960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 109, 124, 152, 155, 190, 218, 248, 310, 380, 436, 545, 589, 620, 760, 872, 1090, 1178, 1240, 2071, 2180, 2356, 2945, 3379, 4142, 4360, 4712, 5890, 6758, 8284, 10355, 11780, 13516, 16568, 16895, 20710, 23560, 27032, 33790, 41420, 64201, 67580, 82840, 128402, 135160, 256804, 321005, 513608, 642010, 1284020, 2568040]

約数ペア:

[(1, 2568040), (2, 1284020), (4, 642010), (5, 513608), (8, 321005), (10, 256804), (19, 135160), (20, 128402), (31, 82840), (38, 67580), (40, 64201), (62, 41420), (76, 33790), (95, 27032), (109, 23560), (124, 20710), (152, 16895), (155, 16568), (190, 13516), (218, 11780), (248, 10355), (310, 8284), (380, 6758), (436, 5890), (545, 4712), (589, 4360), (620, 4142), (760, 3379), (872, 2945), (1090, 2356), (1178, 2180), (1240, 2071)]