1118260520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{69371}}^1$

素因数の和:69426

約数の個数: 64

約数和(自身を含む): 2797079040

約数和(自身を除く): 1678818520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 69371, 138742, 277484, 346855, 554968, 693710, 901823, 1387420, 1803646, 2150501, 2774840, 3607292, 4301002, 4509115, 7214584, 8602004, 9018230, 10752505, 17204008, 18036460, 21505010, 27956513, 36072920, 43010020, 55913026, 86020040, 111826052, 139782565, 223652104, 279565130, 559130260, 1118260520]

約数ペア:

[(1, 1118260520), (2, 559130260), (4, 279565130), (5, 223652104), (8, 139782565), (10, 111826052), (13, 86020040), (20, 55913026), (26, 43010020), (31, 36072920), (40, 27956513), (52, 21505010), (62, 18036460), (65, 17204008), (104, 10752505), (124, 9018230), (130, 8602004), (155, 7214584), (248, 4509115), (260, 4301002), (310, 3607292), (403, 2774840), (520, 2150501), (620, 1803646), (806, 1387420), (1240, 901823), (1612, 693710), (2015, 554968), (3224, 346855), (4030, 277484), (8060, 138742), (16120, 69371)]