15804519940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{911}}^1\times {\mathrm{78857}}^1$

素因数の和:79788

約数の個数: 48

約数和(自身を含む): 36246921984

約数和(自身を除く): 20442402044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 911, 1822, 3644, 4555, 9110, 10021, 18220, 20042, 40084, 50105, 78857, 100210, 157714, 200420, 315428, 394285, 788570, 867427, 1577140, 1734854, 3469708, 4337135, 8674270, 17348540, 71838727, 143677454, 287354908, 359193635, 718387270, 790225997, 1436774540, 1580451994, 3160903988, 3951129985, 7902259970, 15804519940]

約数ペア:

[(1, 15804519940), (2, 7902259970), (4, 3951129985), (5, 3160903988), (10, 1580451994), (11, 1436774540), (20, 790225997), (22, 718387270), (44, 359193635), (55, 287354908), (110, 143677454), (220, 71838727), (911, 17348540), (1822, 8674270), (3644, 4337135), (4555, 3469708), (9110, 1734854), (10021, 1577140), (18220, 867427), (20042, 788570), (40084, 394285), (50105, 315428), (78857, 200420), (100210, 157714)]