8220194750

素因数分解:

$2^1\times 5^3\times {\mathrm{107}}^1\times {\mathrm{487}}^1\times {\mathrm{631}}^1$

素因数の和:1242

約数の個数: 64

約数和(自身を含む): 15588578304

約数和(自身を除く): 7368383554

約数列:

[1, 2, 5, 10, 25, 50, 107, 125, 214, 250, 487, 535, 631, 974, 1070, 1262, 2435, 2675, 3155, 4870, 5350, 6310, 12175, 13375, 15775, 24350, 26750, 31550, 52109, 60875, 67517, 78875, 104218, 121750, 135034, 157750, 260545, 307297, 337585, 521090, 614594, 675170, 1302725, 1536485, 1687925, 2605450, 3072970, 3375850, 6513625, 7682425, 8439625, 13027250, 15364850, 16879250, 32880779, 38412125, 65761558, 76824250, 164403895, 328807790, 822019475, 1644038950, 4110097375, 8220194750]

約数ペア:

[(1, 8220194750), (2, 4110097375), (5, 1644038950), (10, 822019475), (25, 328807790), (50, 164403895), (107, 76824250), (125, 65761558), (214, 38412125), (250, 32880779), (487, 16879250), (535, 15364850), (631, 13027250), (974, 8439625), (1070, 7682425), (1262, 6513625), (2435, 3375850), (2675, 3072970), (3155, 2605450), (4870, 1687925), (5350, 1536485), (6310, 1302725), (12175, 675170), (13375, 614594), (15775, 521090), (24350, 337585), (26750, 307297), (31550, 260545), (52109, 157750), (60875, 135034), (67517, 121750), (78875, 104218)]