61790090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{811}}^1$

素因数の和:1238

約数の個数: 32

約数和(自身を含む): 117512640

約数和(自身を除く): 55722550

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 401, 802, 811, 1622, 2005, 4010, 4055, 7619, 8110, 15238, 15409, 30818, 38095, 76190, 77045, 154090, 325211, 650422, 1626055, 3252110, 6179009, 12358018, 30895045, 61790090]

約数ペア:

[(1, 61790090), (2, 30895045), (5, 12358018), (10, 6179009), (19, 3252110), (38, 1626055), (95, 650422), (190, 325211), (401, 154090), (802, 77045), (811, 76190), (1622, 38095), (2005, 30818), (4010, 15409), (4055, 15238), (7619, 8110)]