40720218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1663}}^1$

素因数の和:1739

約数の個数: 64

約数和(自身を含む): 103514112

約数和(自身を除く): 62793894

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 53, 66, 77, 106, 154, 159, 231, 318, 371, 462, 583, 742, 1113, 1166, 1663, 1749, 2226, 3326, 3498, 4081, 4989, 8162, 9978, 11641, 12243, 18293, 23282, 24486, 34923, 36586, 54879, 69846, 88139, 109758, 128051, 176278, 256102, 264417, 384153, 528834, 616973, 768306, 969529, 1233946, 1850919, 1939058, 2908587, 3701838, 5817174, 6786703, 13573406, 20360109, 40720218]

約数ペア:

[(1, 40720218), (2, 20360109), (3, 13573406), (6, 6786703), (7, 5817174), (11, 3701838), (14, 2908587), (21, 1939058), (22, 1850919), (33, 1233946), (42, 969529), (53, 768306), (66, 616973), (77, 528834), (106, 384153), (154, 264417), (159, 256102), (231, 176278), (318, 128051), (371, 109758), (462, 88139), (583, 69846), (742, 54879), (1113, 36586), (1166, 34923), (1663, 24486), (1749, 23282), (2226, 18293), (3326, 12243), (3498, 11641), (4081, 9978), (4989, 8162)]