105406720

素因数分解:

$2^8\times 5^1\times {\mathrm{82349}}^1$

素因数の和:82370

約数の個数: 36

約数和(自身を含む): 252485100

約数和(自身を除く): 147078380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 82349, 164698, 329396, 411745, 658792, 823490, 1317584, 1646980, 2635168, 3293960, 5270336, 6587920, 10540672, 13175840, 21081344, 26351680, 52703360, 105406720]

約数ペア:

[(1, 105406720), (2, 52703360), (4, 26351680), (5, 21081344), (8, 13175840), (10, 10540672), (16, 6587920), (20, 5270336), (32, 3293960), (40, 2635168), (64, 1646980), (80, 1317584), (128, 823490), (160, 658792), (256, 411745), (320, 329396), (640, 164698), (1280, 82349)]