28460560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8677}}^1$

素因数の和:8731

約数の個数: 40

約数和(自身を含む): 67792536

約数和(自身を除く): 39331976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 8677, 17354, 34708, 43385, 69416, 86770, 138832, 173540, 347080, 355757, 694160, 711514, 1423028, 1778785, 2846056, 3557570, 5692112, 7115140, 14230280, 28460560]

約数ペア:

[(1, 28460560), (2, 14230280), (4, 7115140), (5, 5692112), (8, 3557570), (10, 2846056), (16, 1778785), (20, 1423028), (40, 711514), (41, 694160), (80, 355757), (82, 347080), (164, 173540), (205, 138832), (328, 86770), (410, 69416), (656, 43385), (820, 34708), (1640, 17354), (3280, 8677)]