40639450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 78994944

約数和(自身を除く): 38355494

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 157, 167, 310, 314, 334, 775, 785, 835, 1550, 1570, 1670, 3925, 4175, 4867, 5177, 7850, 8350, 9734, 10354, 24335, 25885, 26219, 48670, 51770, 52438, 121675, 129425, 131095, 243350, 258850, 262190, 655475, 812789, 1310950, 1625578, 4063945, 8127890, 20319725, 40639450]

約数ペア:

[(1, 40639450), (2, 20319725), (5, 8127890), (10, 4063945), (25, 1625578), (31, 1310950), (50, 812789), (62, 655475), (155, 262190), (157, 258850), (167, 243350), (310, 131095), (314, 129425), (334, 121675), (775, 52438), (785, 51770), (835, 48670), (1550, 26219), (1570, 25885), (1670, 24335), (3925, 10354), (4175, 9734), (4867, 8350), (5177, 7850)]