77984960

素因数分解:

$2^6\times 5^1\times {\mathrm{243703}}^1$

素因数の和:243720

約数の個数: 28

約数和(自身を含む): 185702448

約数和(自身を除く): 107717488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 243703, 487406, 974812, 1218515, 1949624, 2437030, 3899248, 4874060, 7798496, 9748120, 15596992, 19496240, 38992480, 77984960]

約数ペア:

[(1, 77984960), (2, 38992480), (4, 19496240), (5, 15596992), (8, 9748120), (10, 7798496), (16, 4874060), (20, 3899248), (32, 2437030), (40, 1949624), (64, 1218515), (80, 974812), (160, 487406), (320, 243703)]