2468440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 6168960

約数和(自身を除く): 3700520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 101, 104, 130, 188, 202, 235, 260, 376, 404, 470, 505, 520, 611, 808, 940, 1010, 1222, 1313, 1880, 2020, 2444, 2626, 3055, 4040, 4747, 4888, 5252, 6110, 6565, 9494, 10504, 12220, 13130, 18988, 23735, 24440, 26260, 37976, 47470, 52520, 61711, 94940, 123422, 189880, 246844, 308555, 493688, 617110, 1234220, 2468440]

約数ペア:

[(1, 2468440), (2, 1234220), (4, 617110), (5, 493688), (8, 308555), (10, 246844), (13, 189880), (20, 123422), (26, 94940), (40, 61711), (47, 52520), (52, 47470), (65, 37976), (94, 26260), (101, 24440), (104, 23735), (130, 18988), (188, 13130), (202, 12220), (235, 10504), (260, 9494), (376, 6565), (404, 6110), (470, 5252), (505, 4888), (520, 4747), (611, 4040), (808, 3055), (940, 2626), (1010, 2444), (1222, 2020), (1313, 1880)]