73156520

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3203}}^1$

素因数の和:3785

約数の個数: 32

約数和(自身を含む): 164941920

約数和(自身を除く): 91785400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2855, 3203, 4568, 5710, 6406, 11420, 12812, 16015, 22840, 25624, 32030, 64060, 128120, 1828913, 3657826, 7315652, 9144565, 14631304, 18289130, 36578260, 73156520]

約数ペア:

[(1, 73156520), (2, 36578260), (4, 18289130), (5, 14631304), (8, 9144565), (10, 7315652), (20, 3657826), (40, 1828913), (571, 128120), (1142, 64060), (2284, 32030), (2855, 25624), (3203, 22840), (4568, 16015), (5710, 12812), (6406, 11420)]