71362840

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3203}}^1$

素因数の和:3771

約数の個数: 32

約数和(自身を含む): 160904880

約数和(自身を除く): 89542040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2785, 3203, 4456, 5570, 6406, 11140, 12812, 16015, 22280, 25624, 32030, 64060, 128120, 1784071, 3568142, 7136284, 8920355, 14272568, 17840710, 35681420, 71362840]

約数ペア:

[(1, 71362840), (2, 35681420), (4, 17840710), (5, 14272568), (8, 8920355), (10, 7136284), (20, 3568142), (40, 1784071), (557, 128120), (1114, 64060), (2228, 32030), (2785, 25624), (3203, 22280), (4456, 16015), (5570, 12812), (6406, 11140)]