8981830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:613

約数の個数: 48

約数和(自身を含む): 19171152

約数和(自身を除く): 10189322

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 242, 286, 571, 605, 715, 1142, 1210, 1430, 1573, 2855, 3146, 5710, 6281, 7423, 7865, 12562, 14846, 15730, 31405, 37115, 62810, 69091, 74230, 81653, 138182, 163306, 345455, 408265, 690910, 816530, 898183, 1796366, 4490915, 8981830]

約数ペア:

[(1, 8981830), (2, 4490915), (5, 1796366), (10, 898183), (11, 816530), (13, 690910), (22, 408265), (26, 345455), (55, 163306), (65, 138182), (110, 81653), (121, 74230), (130, 69091), (143, 62810), (242, 37115), (286, 31405), (571, 15730), (605, 14846), (715, 12562), (1142, 7865), (1210, 7423), (1430, 6281), (1573, 5710), (2855, 3146)]