40220505

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{349}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 75675600

約数和(自身を除く): 35455095

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 197, 349, 585, 591, 985, 1047, 1745, 1773, 2561, 2955, 3141, 4537, 5235, 7683, 8865, 12805, 13611, 15705, 22685, 23049, 38415, 40833, 68055, 68753, 115245, 204165, 206259, 343765, 618777, 893789, 1031295, 2681367, 3093885, 4468945, 8044101, 13406835, 40220505]

約数ペア:

[(1, 40220505), (3, 13406835), (5, 8044101), (9, 4468945), (13, 3093885), (15, 2681367), (39, 1031295), (45, 893789), (65, 618777), (117, 343765), (195, 206259), (197, 204165), (349, 115245), (585, 68753), (591, 68055), (985, 40833), (1047, 38415), (1745, 23049), (1773, 22685), (2561, 15705), (2955, 13611), (3141, 12805), (4537, 8865), (5235, 7683)]