128220650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{82723}}^1$

素因数の和:82766

約数の個数: 24

約数和(自身を含む): 246186624

約数和(自身を除く): 117965974

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 82723, 165446, 413615, 827230, 2068075, 2564413, 4136150, 5128826, 12822065, 25644130, 64110325, 128220650]

約数ペア:

[(1, 128220650), (2, 64110325), (5, 25644130), (10, 12822065), (25, 5128826), (31, 4136150), (50, 2564413), (62, 2068075), (155, 827230), (310, 413615), (775, 165446), (1550, 82723)]