23020040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 55566000

約数和(自身を除く): 32545960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 97, 136, 170, 194, 340, 349, 388, 485, 680, 698, 776, 970, 1396, 1649, 1745, 1940, 2792, 3298, 3490, 3880, 5933, 6596, 6980, 8245, 11866, 13192, 13960, 16490, 23732, 29665, 32980, 33853, 47464, 59330, 65960, 67706, 118660, 135412, 169265, 237320, 270824, 338530, 575501, 677060, 1151002, 1354120, 2302004, 2877505, 4604008, 5755010, 11510020, 23020040]

約数ペア:

[(1, 23020040), (2, 11510020), (4, 5755010), (5, 4604008), (8, 2877505), (10, 2302004), (17, 1354120), (20, 1151002), (34, 677060), (40, 575501), (68, 338530), (85, 270824), (97, 237320), (136, 169265), (170, 135412), (194, 118660), (340, 67706), (349, 65960), (388, 59330), (485, 47464), (680, 33853), (698, 32980), (776, 29665), (970, 23732), (1396, 16490), (1649, 13960), (1745, 13192), (1940, 11866), (2792, 8245), (3298, 6980), (3490, 6596), (3880, 5933)]