81100100

素因数分解:

$2^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{7177}}^1$

素因数の和:7304

約数の個数: 36

約数和(自身を含む): 177569364

約数和(自身を除く): 96469264

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 113, 226, 452, 565, 1130, 2260, 2825, 5650, 7177, 11300, 14354, 28708, 35885, 71770, 143540, 179425, 358850, 717700, 811001, 1622002, 3244004, 4055005, 8110010, 16220020, 20275025, 40550050, 81100100]

約数ペア:

[(1, 81100100), (2, 40550050), (4, 20275025), (5, 16220020), (10, 8110010), (20, 4055005), (25, 3244004), (50, 1622002), (100, 811001), (113, 717700), (226, 358850), (452, 179425), (565, 143540), (1130, 71770), (2260, 35885), (2825, 28708), (5650, 14354), (7177, 11300)]