255591640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 616351680

約数和(自身を除く): 360760040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 257, 376, 460, 470, 514, 529, 920, 940, 1028, 1058, 1081, 1285, 1880, 2056, 2116, 2162, 2570, 2645, 4232, 4324, 5140, 5290, 5405, 5911, 8648, 10280, 10580, 10810, 11822, 12079, 21160, 21620, 23644, 24158, 24863, 29555, 43240, 47288, 48316, 49726, 59110, 60395, 96632, 99452, 118220, 120790, 124315, 135953, 198904, 236440, 241580, 248630, 271906, 277817, 483160, 497260, 543812, 555634, 679765, 994520, 1087624, 1111268, 1359530, 1389085, 2222536, 2719060, 2778170, 5438120, 5556340, 6389791, 11112680, 12779582, 25559164, 31948955, 51118328, 63897910, 127795820, 255591640]

約数ペア:

[(1, 255591640), (2, 127795820), (4, 63897910), (5, 51118328), (8, 31948955), (10, 25559164), (20, 12779582), (23, 11112680), (40, 6389791), (46, 5556340), (47, 5438120), (92, 2778170), (94, 2719060), (115, 2222536), (184, 1389085), (188, 1359530), (230, 1111268), (235, 1087624), (257, 994520), (376, 679765), (460, 555634), (470, 543812), (514, 497260), (529, 483160), (920, 277817), (940, 271906), (1028, 248630), (1058, 241580), (1081, 236440), (1285, 198904), (1880, 135953), (2056, 124315), (2116, 120790), (2162, 118220), (2570, 99452), (2645, 96632), (4232, 60395), (4324, 59110), (5140, 49726), (5290, 48316), (5405, 47288), (5911, 43240), (8648, 29555), (10280, 24863), (10580, 24158), (10810, 23644), (11822, 21620), (12079, 21160)]