13978480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 34712064

約数和(自身を除く): 20733584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 71, 80, 92, 107, 115, 142, 184, 214, 230, 284, 355, 368, 428, 460, 535, 568, 710, 856, 920, 1070, 1136, 1420, 1633, 1712, 1840, 2140, 2461, 2840, 3266, 4280, 4922, 5680, 6532, 7597, 8165, 8560, 9844, 12305, 13064, 15194, 16330, 19688, 24610, 26128, 30388, 32660, 37985, 39376, 49220, 60776, 65320, 75970, 98440, 121552, 130640, 151940, 174731, 196880, 303880, 349462, 607760, 698924, 873655, 1397848, 1747310, 2795696, 3494620, 6989240, 13978480]

約数ペア:

[(1, 13978480), (2, 6989240), (4, 3494620), (5, 2795696), (8, 1747310), (10, 1397848), (16, 873655), (20, 698924), (23, 607760), (40, 349462), (46, 303880), (71, 196880), (80, 174731), (92, 151940), (107, 130640), (115, 121552), (142, 98440), (184, 75970), (214, 65320), (230, 60776), (284, 49220), (355, 39376), (368, 37985), (428, 32660), (460, 30388), (535, 26128), (568, 24610), (710, 19688), (856, 16330), (920, 15194), (1070, 13064), (1136, 12305), (1420, 9844), (1633, 8560), (1712, 8165), (1840, 7597), (2140, 6532), (2461, 5680), (2840, 4922), (3266, 4280)]