65905040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:408

約数の個数: 80

約数和(自身を含む): 159739776

約数和(自身を除く): 93834736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 71, 80, 82, 142, 164, 205, 283, 284, 328, 355, 410, 566, 568, 656, 710, 820, 1132, 1136, 1415, 1420, 1640, 2264, 2830, 2840, 2911, 3280, 4528, 5660, 5680, 5822, 11320, 11603, 11644, 14555, 20093, 22640, 23206, 23288, 29110, 40186, 46412, 46576, 58015, 58220, 80372, 92824, 100465, 116030, 116440, 160744, 185648, 200930, 232060, 232880, 321488, 401860, 464120, 803720, 823813, 928240, 1607440, 1647626, 3295252, 4119065, 6590504, 8238130, 13181008, 16476260, 32952520, 65905040]

約数ペア:

[(1, 65905040), (2, 32952520), (4, 16476260), (5, 13181008), (8, 8238130), (10, 6590504), (16, 4119065), (20, 3295252), (40, 1647626), (41, 1607440), (71, 928240), (80, 823813), (82, 803720), (142, 464120), (164, 401860), (205, 321488), (283, 232880), (284, 232060), (328, 200930), (355, 185648), (410, 160744), (566, 116440), (568, 116030), (656, 100465), (710, 92824), (820, 80372), (1132, 58220), (1136, 58015), (1415, 46576), (1420, 46412), (1640, 40186), (2264, 29110), (2830, 23288), (2840, 23206), (2911, 22640), (3280, 20093), (4528, 14555), (5660, 11644), (5680, 11603), (5822, 11320)]