2564140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 5715360

約数和(自身を除く): 3151220

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 59, 82, 106, 118, 164, 205, 212, 236, 265, 295, 410, 530, 590, 820, 1060, 1180, 2173, 2419, 3127, 4346, 4838, 6254, 8692, 9676, 10865, 12095, 12508, 15635, 21730, 24190, 31270, 43460, 48380, 62540, 128207, 256414, 512828, 641035, 1282070, 2564140]

約数ペア:

[(1, 2564140), (2, 1282070), (4, 641035), (5, 512828), (10, 256414), (20, 128207), (41, 62540), (53, 48380), (59, 43460), (82, 31270), (106, 24190), (118, 21730), (164, 15635), (205, 12508), (212, 12095), (236, 10865), (265, 9676), (295, 8692), (410, 6254), (530, 4838), (590, 4346), (820, 3127), (1060, 2419), (1180, 2173)]