89923840

素因数分解:

$2^8\times 5^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:615

約数の個数: 72

約数和(自身を含む): 217219968

約数和(自身を除く): 127296128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 256, 320, 326, 431, 640, 652, 815, 862, 1280, 1304, 1630, 1724, 2155, 2608, 3260, 3448, 4310, 5216, 6520, 6896, 8620, 10432, 13040, 13792, 17240, 20864, 26080, 27584, 34480, 41728, 52160, 55168, 68960, 70253, 104320, 110336, 137920, 140506, 208640, 275840, 281012, 351265, 551680, 562024, 702530, 1124048, 1405060, 2248096, 2810120, 4496192, 5620240, 8992384, 11240480, 17984768, 22480960, 44961920, 89923840]

約数ペア:

[(1, 89923840), (2, 44961920), (4, 22480960), (5, 17984768), (8, 11240480), (10, 8992384), (16, 5620240), (20, 4496192), (32, 2810120), (40, 2248096), (64, 1405060), (80, 1124048), (128, 702530), (160, 562024), (163, 551680), (256, 351265), (320, 281012), (326, 275840), (431, 208640), (640, 140506), (652, 137920), (815, 110336), (862, 104320), (1280, 70253), (1304, 68960), (1630, 55168), (1724, 52160), (2155, 41728), (2608, 34480), (3260, 27584), (3448, 26080), (4310, 20864), (5216, 17240), (6520, 13792), (6896, 13040), (8620, 10432)]