21292558160

素因数分解:

$2^4\times 5^1\times {\mathrm{7759}}^1\times {\mathrm{34303}}^1$

素因数の和:42075

約数の個数: 40

約数和(自身を含む): 49513021440

約数和(自身を除く): 28220463280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 7759, 15518, 31036, 34303, 38795, 62072, 68606, 77590, 124144, 137212, 155180, 171515, 274424, 310360, 343030, 548848, 620720, 686060, 1372120, 2744240, 266156977, 532313954, 1064627908, 1330784885, 2129255816, 2661569770, 4258511632, 5323139540, 10646279080, 21292558160]

約数ペア:

[(1, 21292558160), (2, 10646279080), (4, 5323139540), (5, 4258511632), (8, 2661569770), (10, 2129255816), (16, 1330784885), (20, 1064627908), (40, 532313954), (80, 266156977), (7759, 2744240), (15518, 1372120), (31036, 686060), (34303, 620720), (38795, 548848), (62072, 343030), (68606, 310360), (77590, 274424), (124144, 171515), (137212, 155180)]