84619820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 181264608

約数和(自身を除く): 96644788

約数列:

[1, 2, 4, 5, 10, 20, 101, 163, 202, 257, 326, 404, 505, 514, 652, 815, 1010, 1028, 1285, 1630, 2020, 2570, 3260, 5140, 16463, 25957, 32926, 41891, 51914, 65852, 82315, 83782, 103828, 129785, 164630, 167564, 209455, 259570, 329260, 418910, 519140, 837820, 4230991, 8461982, 16923964, 21154955, 42309910, 84619820]

約数ペア:

[(1, 84619820), (2, 42309910), (4, 21154955), (5, 16923964), (10, 8461982), (20, 4230991), (101, 837820), (163, 519140), (202, 418910), (257, 329260), (326, 259570), (404, 209455), (505, 167564), (514, 164630), (652, 129785), (815, 103828), (1010, 83782), (1028, 82315), (1285, 65852), (1630, 51914), (2020, 41891), (2570, 32926), (3260, 25957), (5140, 16463)]