1864513540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{52879}}^1$

素因数の和:52972

約数の個数: 48

約数和(自身を含む): 4104334080

約数和(自身を除く): 2239820540

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 7052, 8815, 17630, 35260, 52879, 105758, 211516, 264395, 528790, 1057580, 2168039, 2273797, 4336078, 4547594, 8672156, 9095188, 10840195, 11368985, 21680390, 22737970, 43360780, 45475940, 93225677, 186451354, 372902708, 466128385, 932256770, 1864513540]

約数ペア:

[(1, 1864513540), (2, 932256770), (4, 466128385), (5, 372902708), (10, 186451354), (20, 93225677), (41, 45475940), (43, 43360780), (82, 22737970), (86, 21680390), (164, 11368985), (172, 10840195), (205, 9095188), (215, 8672156), (410, 4547594), (430, 4336078), (820, 2273797), (860, 2168039), (1763, 1057580), (3526, 528790), (7052, 264395), (8815, 211516), (17630, 105758), (35260, 52879)]