51678560

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1867}}^1$

素因数の和:2055

約数の個数: 48

約数和(自身を含む): 122862096

約数和(自身を除く): 71183536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 692, 865, 1384, 1730, 1867, 2768, 3460, 3734, 5536, 6920, 7468, 9335, 13840, 14936, 18670, 27680, 29872, 37340, 59744, 74680, 149360, 298720, 322991, 645982, 1291964, 1614955, 2583928, 3229910, 5167856, 6459820, 10335712, 12919640, 25839280, 51678560]

約数ペア:

[(1, 51678560), (2, 25839280), (4, 12919640), (5, 10335712), (8, 6459820), (10, 5167856), (16, 3229910), (20, 2583928), (32, 1614955), (40, 1291964), (80, 645982), (160, 322991), (173, 298720), (346, 149360), (692, 74680), (865, 59744), (1384, 37340), (1730, 29872), (1867, 27680), (2768, 18670), (3460, 14936), (3734, 13840), (5536, 9335), (6920, 7468)]