12713322320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2605189}}^1$

素因数の和:2605263

約数の個数: 40

約数和(自身を含む): 30043051080

約数和(自身を除く): 17329728760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 2605189, 5210378, 10420756, 13025945, 20841512, 26051890, 41683024, 52103780, 104207560, 158916529, 208415120, 317833058, 635666116, 794582645, 1271332232, 1589165290, 2542664464, 3178330580, 6356661160, 12713322320]

約数ペア:

[(1, 12713322320), (2, 6356661160), (4, 3178330580), (5, 2542664464), (8, 1589165290), (10, 1271332232), (16, 794582645), (20, 635666116), (40, 317833058), (61, 208415120), (80, 158916529), (122, 104207560), (244, 52103780), (305, 41683024), (488, 26051890), (610, 20841512), (976, 13025945), (1220, 10420756), (2440, 5210378), (4880, 2605189)]