26310520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 61871040

約数和(自身を除く): 35560520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 82, 122, 164, 205, 244, 263, 305, 328, 410, 488, 526, 610, 820, 1052, 1220, 1315, 1640, 2104, 2440, 2501, 2630, 5002, 5260, 10004, 10520, 10783, 12505, 16043, 20008, 21566, 25010, 32086, 43132, 50020, 53915, 64172, 80215, 86264, 100040, 107830, 128344, 160430, 215660, 320860, 431320, 641720, 657763, 1315526, 2631052, 3288815, 5262104, 6577630, 13155260, 26310520]

約数ペア:

[(1, 26310520), (2, 13155260), (4, 6577630), (5, 5262104), (8, 3288815), (10, 2631052), (20, 1315526), (40, 657763), (41, 641720), (61, 431320), (82, 320860), (122, 215660), (164, 160430), (205, 128344), (244, 107830), (263, 100040), (305, 86264), (328, 80215), (410, 64172), (488, 53915), (526, 50020), (610, 43132), (820, 32086), (1052, 25010), (1220, 21566), (1315, 20008), (1640, 16043), (2104, 12505), (2440, 10783), (2501, 10520), (2630, 10004), (5002, 5260)]