100140820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{643}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 227203200

約数和(自身を除く): 127062380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 599, 643, 1198, 1286, 2396, 2572, 2995, 3215, 5990, 6430, 7787, 8359, 11980, 12860, 15574, 16718, 31148, 33436, 38935, 41795, 77870, 83590, 155740, 167180, 385157, 770314, 1540628, 1925785, 3851570, 5007041, 7703140, 10014082, 20028164, 25035205, 50070410, 100140820]

約数ペア:

[(1, 100140820), (2, 50070410), (4, 25035205), (5, 20028164), (10, 10014082), (13, 7703140), (20, 5007041), (26, 3851570), (52, 1925785), (65, 1540628), (130, 770314), (260, 385157), (599, 167180), (643, 155740), (1198, 83590), (1286, 77870), (2396, 41795), (2572, 38935), (2995, 33436), (3215, 31148), (5990, 16718), (6430, 15574), (7787, 12860), (8359, 11980)]