57105040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 141955200

約数和(自身を除く): 84850160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 199, 211, 272, 340, 398, 422, 680, 796, 844, 995, 1055, 1360, 1592, 1688, 1990, 2110, 3184, 3376, 3383, 3587, 3980, 4220, 6766, 7174, 7960, 8440, 13532, 14348, 15920, 16880, 16915, 17935, 27064, 28696, 33830, 35870, 41989, 54128, 57392, 67660, 71740, 83978, 135320, 143480, 167956, 209945, 270640, 286960, 335912, 419890, 671824, 713813, 839780, 1427626, 1679560, 2855252, 3359120, 3569065, 5710504, 7138130, 11421008, 14276260, 28552520, 57105040]

約数ペア:

[(1, 57105040), (2, 28552520), (4, 14276260), (5, 11421008), (8, 7138130), (10, 5710504), (16, 3569065), (17, 3359120), (20, 2855252), (34, 1679560), (40, 1427626), (68, 839780), (80, 713813), (85, 671824), (136, 419890), (170, 335912), (199, 286960), (211, 270640), (272, 209945), (340, 167956), (398, 143480), (422, 135320), (680, 83978), (796, 71740), (844, 67660), (995, 57392), (1055, 54128), (1360, 41989), (1592, 35870), (1688, 33830), (1990, 28696), (2110, 27064), (3184, 17935), (3376, 16915), (3383, 16880), (3587, 15920), (3980, 14348), (4220, 13532), (6766, 8440), (7174, 7960)]