40013920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:392

約数の個数: 96

約数和(自身を含む): 102549888

約数和(自身を除く): 62535968

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 68, 80, 85, 94, 136, 160, 170, 188, 235, 272, 313, 340, 376, 470, 544, 626, 680, 752, 799, 940, 1252, 1360, 1504, 1565, 1598, 1880, 2504, 2720, 3130, 3196, 3760, 3995, 5008, 5321, 6260, 6392, 7520, 7990, 10016, 10642, 12520, 12784, 14711, 15980, 21284, 25040, 25568, 26605, 29422, 31960, 42568, 50080, 53210, 58844, 63920, 73555, 85136, 106420, 117688, 127840, 147110, 170272, 212840, 235376, 250087, 294220, 425680, 470752, 500174, 588440, 851360, 1000348, 1176880, 1250435, 2000696, 2353760, 2500870, 4001392, 5001740, 8002784, 10003480, 20006960, 40013920]

約数ペア:

[(1, 40013920), (2, 20006960), (4, 10003480), (5, 8002784), (8, 5001740), (10, 4001392), (16, 2500870), (17, 2353760), (20, 2000696), (32, 1250435), (34, 1176880), (40, 1000348), (47, 851360), (68, 588440), (80, 500174), (85, 470752), (94, 425680), (136, 294220), (160, 250087), (170, 235376), (188, 212840), (235, 170272), (272, 147110), (313, 127840), (340, 117688), (376, 106420), (470, 85136), (544, 73555), (626, 63920), (680, 58844), (752, 53210), (799, 50080), (940, 42568), (1252, 31960), (1360, 29422), (1504, 26605), (1565, 25568), (1598, 25040), (1880, 21284), (2504, 15980), (2720, 14711), (3130, 12784), (3196, 12520), (3760, 10642), (3995, 10016), (5008, 7990), (5321, 7520), (6260, 6392)]