81796240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35257}}^1$

素因数の和:35299

約数の個数: 40

約数和(自身を含む): 196739640

約数和(自身を除く): 114943400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 35257, 70514, 141028, 176285, 282056, 352570, 564112, 705140, 1022453, 1410280, 2044906, 2820560, 4089812, 5112265, 8179624, 10224530, 16359248, 20449060, 40898120, 81796240]

約数ペア:

[(1, 81796240), (2, 40898120), (4, 20449060), (5, 16359248), (8, 10224530), (10, 8179624), (16, 5112265), (20, 4089812), (29, 2820560), (40, 2044906), (58, 1410280), (80, 1022453), (116, 705140), (145, 564112), (232, 352570), (290, 282056), (464, 176285), (580, 141028), (1160, 70514), (2320, 35257)]