40399970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2447}}^1$

素因数の和:2594

約数の個数: 32

約数和(自身を含む): 78962688

約数和(自身を除く): 38562718

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 254, 635, 1270, 1651, 2447, 3302, 4894, 8255, 12235, 16510, 24470, 31811, 63622, 159055, 310769, 318110, 621538, 1553845, 3107690, 4039997, 8079994, 20199985, 40399970]

約数ペア:

[(1, 40399970), (2, 20199985), (5, 8079994), (10, 4039997), (13, 3107690), (26, 1553845), (65, 621538), (127, 318110), (130, 310769), (254, 159055), (635, 63622), (1270, 31811), (1651, 24470), (2447, 16510), (3302, 12235), (4894, 8255)]