40150940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{439}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 89812800

約数和(自身を除く): 49661860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 269, 340, 439, 538, 878, 1076, 1345, 1756, 2195, 2690, 4390, 4573, 5380, 7463, 8780, 9146, 14926, 18292, 22865, 29852, 37315, 45730, 74630, 91460, 118091, 149260, 236182, 472364, 590455, 1180910, 2007547, 2361820, 4015094, 8030188, 10037735, 20075470, 40150940]

約数ペア:

[(1, 40150940), (2, 20075470), (4, 10037735), (5, 8030188), (10, 4015094), (17, 2361820), (20, 2007547), (34, 1180910), (68, 590455), (85, 472364), (170, 236182), (269, 149260), (340, 118091), (439, 91460), (538, 74630), (878, 45730), (1076, 37315), (1345, 29852), (1756, 22865), (2195, 18292), (2690, 14926), (4390, 9146), (4573, 8780), (5380, 7463)]