54984020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30211}}^1$

素因数の和:30240

約数の個数: 48

約数和(自身を含む): 142117248

約数和(自身を除く): 87133228

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 30211, 60422, 120844, 151055, 211477, 302110, 392743, 422954, 604220, 785486, 845908, 1057385, 1570972, 1963715, 2114770, 2749201, 3927430, 4229540, 5498402, 7854860, 10996804, 13746005, 27492010, 54984020]

約数ペア:

[(1, 54984020), (2, 27492010), (4, 13746005), (5, 10996804), (7, 7854860), (10, 5498402), (13, 4229540), (14, 3927430), (20, 2749201), (26, 2114770), (28, 1963715), (35, 1570972), (52, 1057385), (65, 845908), (70, 785486), (91, 604220), (130, 422954), (140, 392743), (182, 302110), (260, 211477), (364, 151055), (455, 120844), (910, 60422), (1820, 30211)]