516376640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1229}}^1$

素因数の和:1360

約数の個数: 112

約数和(自身を含む): 1338407280

約数和(自身を除く): 822030640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 101, 104, 130, 160, 202, 208, 260, 320, 404, 416, 505, 520, 808, 832, 1010, 1040, 1229, 1313, 1616, 2020, 2080, 2458, 2626, 3232, 4040, 4160, 4916, 5252, 6145, 6464, 6565, 8080, 9832, 10504, 12290, 13130, 15977, 16160, 19664, 21008, 24580, 26260, 31954, 32320, 39328, 42016, 49160, 52520, 63908, 78656, 79885, 84032, 98320, 105040, 124129, 127816, 159770, 196640, 210080, 248258, 255632, 319540, 393280, 420160, 496516, 511264, 620645, 639080, 993032, 1022528, 1241290, 1278160, 1613677, 1986064, 2482580, 2556320, 3227354, 3972128, 4965160, 5112640, 6454708, 7944256, 8068385, 9930320, 12909416, 16136770, 19860640, 25818832, 32273540, 39721280, 51637664, 64547080, 103275328, 129094160, 258188320, 516376640]

約数ペア:

[(1, 516376640), (2, 258188320), (4, 129094160), (5, 103275328), (8, 64547080), (10, 51637664), (13, 39721280), (16, 32273540), (20, 25818832), (26, 19860640), (32, 16136770), (40, 12909416), (52, 9930320), (64, 8068385), (65, 7944256), (80, 6454708), (101, 5112640), (104, 4965160), (130, 3972128), (160, 3227354), (202, 2556320), (208, 2482580), (260, 1986064), (320, 1613677), (404, 1278160), (416, 1241290), (505, 1022528), (520, 993032), (808, 639080), (832, 620645), (1010, 511264), (1040, 496516), (1229, 420160), (1313, 393280), (1616, 319540), (2020, 255632), (2080, 248258), (2458, 210080), (2626, 196640), (3232, 159770), (4040, 127816), (4160, 124129), (4916, 105040), (5252, 98320), (6145, 84032), (6464, 79885), (6565, 78656), (8080, 63908), (9832, 52520), (10504, 49160), (12290, 42016), (13130, 39328), (15977, 32320), (16160, 31954), (19664, 26260), (21008, 24580)]