1025625080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1\times {\mathrm{1229}}^1$

素因数の和:1944

約数の個数: 64

約数和(自身を含む): 2387577600

約数和(自身を除く): 1361952520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 673, 1229, 1240, 1346, 2458, 2692, 3365, 4916, 5384, 6145, 6730, 9832, 12290, 13460, 20863, 24580, 26920, 38099, 41726, 49160, 76198, 83452, 104315, 152396, 166904, 190495, 208630, 304792, 380990, 417260, 761980, 827117, 834520, 1523960, 1654234, 3308468, 4135585, 6616936, 8271170, 16542340, 25640627, 33084680, 51281254, 102562508, 128203135, 205125016, 256406270, 512812540, 1025625080]

約数ペア:

[(1, 1025625080), (2, 512812540), (4, 256406270), (5, 205125016), (8, 128203135), (10, 102562508), (20, 51281254), (31, 33084680), (40, 25640627), (62, 16542340), (124, 8271170), (155, 6616936), (248, 4135585), (310, 3308468), (620, 1654234), (673, 1523960), (1229, 834520), (1240, 827117), (1346, 761980), (2458, 417260), (2692, 380990), (3365, 304792), (4916, 208630), (5384, 190495), (6145, 166904), (6730, 152396), (9832, 104315), (12290, 83452), (13460, 76198), (20863, 49160), (24580, 41726), (26920, 38099)]