40205450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{25939}}^1$

素因数の和:25982

約数の個数: 24

約数和(自身を含む): 77197440

約数和(自身を除く): 36991990

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 25939, 51878, 129695, 259390, 648475, 804109, 1296950, 1608218, 4020545, 8041090, 20102725, 40205450]

約数ペア:

[(1, 40205450), (2, 20102725), (5, 8041090), (10, 4020545), (25, 1608218), (31, 1296950), (50, 804109), (62, 648475), (155, 259390), (310, 129695), (775, 51878), (1550, 25939)]