23305000

素因数分解:

$2^3\times 5^4\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 56232000

約数和(自身を除く): 32927000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 79, 100, 118, 125, 158, 200, 236, 250, 295, 316, 395, 472, 500, 590, 625, 632, 790, 1000, 1180, 1250, 1475, 1580, 1975, 2360, 2500, 2950, 3160, 3950, 4661, 5000, 5900, 7375, 7900, 9322, 9875, 11800, 14750, 15800, 18644, 19750, 23305, 29500, 36875, 37288, 39500, 46610, 49375, 59000, 73750, 79000, 93220, 98750, 116525, 147500, 186440, 197500, 233050, 295000, 395000, 466100, 582625, 932200, 1165250, 2330500, 2913125, 4661000, 5826250, 11652500, 23305000]

約数ペア:

[(1, 23305000), (2, 11652500), (4, 5826250), (5, 4661000), (8, 2913125), (10, 2330500), (20, 1165250), (25, 932200), (40, 582625), (50, 466100), (59, 395000), (79, 295000), (100, 233050), (118, 197500), (125, 186440), (158, 147500), (200, 116525), (236, 98750), (250, 93220), (295, 79000), (316, 73750), (395, 59000), (472, 49375), (500, 46610), (590, 39500), (625, 37288), (632, 36875), (790, 29500), (1000, 23305), (1180, 19750), (1250, 18644), (1475, 15800), (1580, 14750), (1975, 11800), (2360, 9875), (2500, 9322), (2950, 7900), (3160, 7375), (3950, 5900), (4661, 5000)]