13306780880

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1269731}}^1$

素因数の和:1269875

約数の個数: 40

約数和(自身を含む): 31174460064

約数和(自身を除く): 17867679184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 1269731, 2539462, 5078924, 6348655, 10157848, 12697310, 20315696, 25394620, 50789240, 101578480, 166334761, 332669522, 665339044, 831673805, 1330678088, 1663347610, 2661356176, 3326695220, 6653390440, 13306780880]

約数ペア:

[(1, 13306780880), (2, 6653390440), (4, 3326695220), (5, 2661356176), (8, 1663347610), (10, 1330678088), (16, 831673805), (20, 665339044), (40, 332669522), (80, 166334761), (131, 101578480), (262, 50789240), (524, 25394620), (655, 20315696), (1048, 12697310), (1310, 10157848), (2096, 6348655), (2620, 5078924), (5240, 2539462), (10480, 1269731)]