778894704020

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1307}}^1\times {\mathrm{45631}}^1$

素因数の和:47600

約数の個数: 48

約数和(自身を含む): 1639473067008

約数和(自身を除く): 860578362988

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 1307, 2612, 2614, 3265, 5228, 6530, 6535, 13060, 13070, 26140, 45631, 91262, 182524, 228155, 456310, 853471, 912620, 1706942, 3413884, 4267355, 8534710, 17069420, 29797043, 59594086, 59639717, 119188172, 119279434, 148985215, 238558868, 297970430, 298198585, 595940860, 596397170, 1192794340, 38944735201, 77889470402, 155778940804, 194723676005, 389447352010, 778894704020]

約数ペア:

[(1, 778894704020), (2, 389447352010), (4, 194723676005), (5, 155778940804), (10, 77889470402), (20, 38944735201), (653, 1192794340), (1306, 596397170), (1307, 595940860), (2612, 298198585), (2614, 297970430), (3265, 238558868), (5228, 148985215), (6530, 119279434), (6535, 119188172), (13060, 59639717), (13070, 59594086), (26140, 29797043), (45631, 17069420), (91262, 8534710), (182524, 4267355), (228155, 3413884), (456310, 1706942), (853471, 912620)]