13478560

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1381}}^1$

素因数の和:1457

約数の個数: 48

約数和(自身を含む): 32388552

約数和(自身を除く): 18909992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1381, 1952, 2440, 2762, 4880, 5524, 6905, 9760, 11048, 13810, 22096, 27620, 44192, 55240, 84241, 110480, 168482, 220960, 336964, 421205, 673928, 842410, 1347856, 1684820, 2695712, 3369640, 6739280, 13478560]

約数ペア:

[(1, 13478560), (2, 6739280), (4, 3369640), (5, 2695712), (8, 1684820), (10, 1347856), (16, 842410), (20, 673928), (32, 421205), (40, 336964), (61, 220960), (80, 168482), (122, 110480), (160, 84241), (244, 55240), (305, 44192), (488, 27620), (610, 22096), (976, 13810), (1220, 11048), (1381, 9760), (1952, 6905), (2440, 5524), (2762, 4880)]