8855990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1$

素因数の和:605

約数の個数: 48

約数和(自身を含む): 18903024

約数和(自身を除く): 10047034

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 242, 286, 563, 605, 715, 1126, 1210, 1430, 1573, 2815, 3146, 5630, 6193, 7319, 7865, 12386, 14638, 15730, 30965, 36595, 61930, 68123, 73190, 80509, 136246, 161018, 340615, 402545, 681230, 805090, 885599, 1771198, 4427995, 8855990]

約数ペア:

[(1, 8855990), (2, 4427995), (5, 1771198), (10, 885599), (11, 805090), (13, 681230), (22, 402545), (26, 340615), (55, 161018), (65, 136246), (110, 80509), (121, 73190), (130, 68123), (143, 61930), (242, 36595), (286, 30965), (563, 15730), (605, 14638), (715, 12386), (1126, 7865), (1210, 7319), (1430, 6193), (1573, 5630), (2815, 3146)]