80401270

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 147637728

約数和(自身を除く): 67236458

約数列:

[1, 2, 5, 10, 83, 157, 166, 314, 415, 617, 785, 830, 1234, 1570, 3085, 6170, 13031, 26062, 51211, 65155, 96869, 102422, 130310, 193738, 256055, 484345, 512110, 968690, 8040127, 16080254, 40200635, 80401270]

約数ペア:

[(1, 80401270), (2, 40200635), (5, 16080254), (10, 8040127), (83, 968690), (157, 512110), (166, 484345), (314, 256055), (415, 193738), (617, 130310), (785, 102422), (830, 96869), (1234, 65155), (1570, 51211), (3085, 26062), (6170, 13031)]