15705561950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{29867}}^1$

素因数の和:30701

約数の個数: 48

約数和(自身を含む): 31499390160

約数和(自身を除く): 15793828210

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 809, 1618, 4045, 8090, 10517, 20225, 21034, 29867, 40450, 52585, 59734, 105170, 149335, 262925, 298670, 388271, 525850, 746675, 776542, 1493350, 1941355, 3882710, 9706775, 19413550, 24162403, 48324806, 120812015, 241624030, 314111239, 604060075, 628222478, 1208120150, 1570556195, 3141112390, 7852780975, 15705561950]

約数ペア:

[(1, 15705561950), (2, 7852780975), (5, 3141112390), (10, 1570556195), (13, 1208120150), (25, 628222478), (26, 604060075), (50, 314111239), (65, 241624030), (130, 120812015), (325, 48324806), (650, 24162403), (809, 19413550), (1618, 9706775), (4045, 3882710), (8090, 1941355), (10517, 1493350), (20225, 776542), (21034, 746675), (29867, 525850), (40450, 388271), (52585, 298670), (59734, 262925), (105170, 149335)]