48978140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 106977024

約数和(自身を除く): 57998884

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 197, 310, 394, 401, 620, 788, 802, 985, 1604, 1970, 2005, 3940, 4010, 6107, 8020, 12214, 12431, 24428, 24862, 30535, 49724, 61070, 62155, 78997, 122140, 124310, 157994, 248620, 315988, 394985, 789970, 1579940, 2448907, 4897814, 9795628, 12244535, 24489070, 48978140]

約数ペア:

[(1, 48978140), (2, 24489070), (4, 12244535), (5, 9795628), (10, 4897814), (20, 2448907), (31, 1579940), (62, 789970), (124, 394985), (155, 315988), (197, 248620), (310, 157994), (394, 124310), (401, 122140), (620, 78997), (788, 62155), (802, 61070), (985, 49724), (1604, 30535), (1970, 24862), (2005, 24428), (3940, 12431), (4010, 12214), (6107, 8020)]