18357478280

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{977}}^1\times {\mathrm{4157}}^1$

素因数の和:5258

約数の個数: 64

約数和(自身を含む): 41722536240

約数和(自身を除く): 23365057960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 977, 1130, 1954, 2260, 3908, 4157, 4520, 4885, 7816, 8314, 9770, 16628, 19540, 20785, 33256, 39080, 41570, 83140, 110401, 166280, 220802, 441604, 469741, 552005, 883208, 939482, 1104010, 1878964, 2208020, 2348705, 3757928, 4061389, 4416040, 4697410, 8122778, 9394820, 16245556, 18789640, 20306945, 32491112, 40613890, 81227780, 162455560, 458936957, 917873914, 1835747828, 2294684785, 3671495656, 4589369570, 9178739140, 18357478280]

約数ペア:

[(1, 18357478280), (2, 9178739140), (4, 4589369570), (5, 3671495656), (8, 2294684785), (10, 1835747828), (20, 917873914), (40, 458936957), (113, 162455560), (226, 81227780), (452, 40613890), (565, 32491112), (904, 20306945), (977, 18789640), (1130, 16245556), (1954, 9394820), (2260, 8122778), (3908, 4697410), (4157, 4416040), (4520, 4061389), (4885, 3757928), (7816, 2348705), (8314, 2208020), (9770, 1878964), (16628, 1104010), (19540, 939482), (20785, 883208), (33256, 552005), (39080, 469741), (41570, 441604), (83140, 220802), (110401, 166280)]