204878480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{111347}}^1$

素因数の和:111383

約数の個数: 40

約数和(自身を含む): 497057472

約数和(自身を除く): 292178992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 111347, 222694, 445388, 556735, 890776, 1113470, 1781552, 2226940, 2560981, 4453880, 5121962, 8907760, 10243924, 12804905, 20487848, 25609810, 40975696, 51219620, 102439240, 204878480]

約数ペア:

[(1, 204878480), (2, 102439240), (4, 51219620), (5, 40975696), (8, 25609810), (10, 20487848), (16, 12804905), (20, 10243924), (23, 8907760), (40, 5121962), (46, 4453880), (80, 2560981), (92, 2226940), (115, 1781552), (184, 1113470), (230, 890776), (368, 556735), (460, 445388), (920, 222694), (1840, 111347)]