40189970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{887}}^1$

素因数の和:1114

約数の個数: 32

約数和(自身を含む): 75955968

約数和(自身を除く): 35765998

約数列:

[1, 2, 5, 10, 23, 46, 115, 197, 230, 394, 887, 985, 1774, 1970, 4435, 4531, 8870, 9062, 20401, 22655, 40802, 45310, 102005, 174739, 204010, 349478, 873695, 1747390, 4018997, 8037994, 20094985, 40189970]

約数ペア:

[(1, 40189970), (2, 20094985), (5, 8037994), (10, 4018997), (23, 1747390), (46, 873695), (115, 349478), (197, 204010), (230, 174739), (394, 102005), (887, 45310), (985, 40802), (1774, 22655), (1970, 20401), (4435, 9062), (4531, 8870)]