49913720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{40253}}^1$

素因数の和:40295

約数の個数: 32

約数和(自身を含む): 115931520

約数和(自身を除く): 66017800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 40253, 80506, 161012, 201265, 322024, 402530, 805060, 1247843, 1610120, 2495686, 4991372, 6239215, 9982744, 12478430, 24956860, 49913720]

約数ペア:

[(1, 49913720), (2, 24956860), (4, 12478430), (5, 9982744), (8, 6239215), (10, 4991372), (20, 2495686), (31, 1610120), (40, 1247843), (62, 805060), (124, 402530), (155, 322024), (248, 201265), (310, 161012), (620, 80506), (1240, 40253)]