203963440

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{25243}}^1$

素因数の和:25357

約数の個数: 40

約数和(自身を含む): 478929168

約数和(自身を除く): 274965728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 25243, 50486, 100972, 126215, 201944, 252430, 403888, 504860, 1009720, 2019440, 2549543, 5099086, 10198172, 12747715, 20396344, 25495430, 40792688, 50990860, 101981720, 203963440]

約数ペア:

[(1, 203963440), (2, 101981720), (4, 50990860), (5, 40792688), (8, 25495430), (10, 20396344), (16, 12747715), (20, 10198172), (40, 5099086), (80, 2549543), (101, 2019440), (202, 1009720), (404, 504860), (505, 403888), (808, 252430), (1010, 201944), (1616, 126215), (2020, 100972), (4040, 50486), (8080, 25243)]