38639540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4421}}^1$

素因数の和:4472

約数の個数: 48

約数和(自身を含む): 89147520

約数和(自身を除く): 50507980

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 4421, 8740, 8842, 17684, 22105, 44210, 83999, 88420, 101683, 167998, 203366, 335996, 406732, 419995, 508415, 839990, 1016830, 1679980, 1931977, 2033660, 3863954, 7727908, 9659885, 19319770, 38639540]

約数ペア:

[(1, 38639540), (2, 19319770), (4, 9659885), (5, 7727908), (10, 3863954), (19, 2033660), (20, 1931977), (23, 1679980), (38, 1016830), (46, 839990), (76, 508415), (92, 419995), (95, 406732), (115, 335996), (190, 203366), (230, 167998), (380, 101683), (437, 88420), (460, 83999), (874, 44210), (1748, 22105), (2185, 17684), (4370, 8842), (4421, 8740)]