90320240

素因数分解:

$2^4\times 5^1\times {\mathrm{479}}^1\times {\mathrm{2357}}^1$

素因数の和:2849

約数の個数: 40

約数和(自身を含む): 210522240

約数和(自身を除く): 120202000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 479, 958, 1916, 2357, 2395, 3832, 4714, 4790, 7664, 9428, 9580, 11785, 18856, 19160, 23570, 37712, 38320, 47140, 94280, 188560, 1129003, 2258006, 4516012, 5645015, 9032024, 11290030, 18064048, 22580060, 45160120, 90320240]

約数ペア:

[(1, 90320240), (2, 45160120), (4, 22580060), (5, 18064048), (8, 11290030), (10, 9032024), (16, 5645015), (20, 4516012), (40, 2258006), (80, 1129003), (479, 188560), (958, 94280), (1916, 47140), (2357, 38320), (2395, 37712), (3832, 23570), (4714, 19160), (4790, 18856), (7664, 11785), (9428, 9580)]