40228460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{661}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 90084960

約数和(自身を除く): 49856500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 179, 340, 358, 661, 716, 895, 1322, 1790, 2644, 3043, 3305, 3580, 6086, 6610, 11237, 12172, 13220, 15215, 22474, 30430, 44948, 56185, 60860, 112370, 118319, 224740, 236638, 473276, 591595, 1183190, 2011423, 2366380, 4022846, 8045692, 10057115, 20114230, 40228460]

約数ペア:

[(1, 40228460), (2, 20114230), (4, 10057115), (5, 8045692), (10, 4022846), (17, 2366380), (20, 2011423), (34, 1183190), (68, 591595), (85, 473276), (170, 236638), (179, 224740), (340, 118319), (358, 112370), (661, 60860), (716, 56185), (895, 44948), (1322, 30430), (1790, 22474), (2644, 15215), (3043, 13220), (3305, 12172), (3580, 11237), (6086, 6610)]