63938120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51563}}^1$

素因数の和:51605

約数の個数: 32

約数和(自身を含む): 148504320

約数和(自身を除く): 84566200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 51563, 103126, 206252, 257815, 412504, 515630, 1031260, 1598453, 2062520, 3196906, 6393812, 7992265, 12787624, 15984530, 31969060, 63938120]

約数ペア:

[(1, 63938120), (2, 31969060), (4, 15984530), (5, 12787624), (8, 7992265), (10, 6393812), (20, 3196906), (31, 2062520), (40, 1598453), (62, 1031260), (124, 515630), (155, 412504), (248, 257815), (310, 206252), (620, 103126), (1240, 51563)]