902510120

素因数分解:

$2^3\times 5^1\times {\mathrm{1993}}^1\times {\mathrm{11321}}^1$

素因数の和:13325

約数の個数: 32

約数和(自身を含む): 2031846120

約数和(自身を除く): 1129336000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1993, 3986, 7972, 9965, 11321, 15944, 19930, 22642, 39860, 45284, 56605, 79720, 90568, 113210, 226420, 452840, 22562753, 45125506, 90251012, 112813765, 180502024, 225627530, 451255060, 902510120]

約数ペア:

[(1, 902510120), (2, 451255060), (4, 225627530), (5, 180502024), (8, 112813765), (10, 90251012), (20, 45125506), (40, 22562753), (1993, 452840), (3986, 226420), (7972, 113210), (9965, 90568), (11321, 79720), (15944, 56605), (19930, 45284), (22642, 39860)]