13980340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 33180840

約数和(自身を除く): 19200500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 109, 110, 121, 212, 218, 220, 242, 265, 436, 484, 530, 545, 583, 605, 1060, 1090, 1166, 1199, 1210, 2180, 2332, 2398, 2420, 2915, 4796, 5777, 5830, 5995, 6413, 11554, 11660, 11990, 12826, 13189, 23108, 23980, 25652, 26378, 28885, 32065, 52756, 57770, 63547, 64130, 65945, 115540, 127094, 128260, 131890, 254188, 263780, 317735, 635470, 699017, 1270940, 1398034, 2796068, 3495085, 6990170, 13980340]

約数ペア:

[(1, 13980340), (2, 6990170), (4, 3495085), (5, 2796068), (10, 1398034), (11, 1270940), (20, 699017), (22, 635470), (44, 317735), (53, 263780), (55, 254188), (106, 131890), (109, 128260), (110, 127094), (121, 115540), (212, 65945), (218, 64130), (220, 63547), (242, 57770), (265, 52756), (436, 32065), (484, 28885), (530, 26378), (545, 25652), (583, 23980), (605, 23108), (1060, 13189), (1090, 12826), (1166, 11990), (1199, 11660), (1210, 11554), (2180, 6413), (2332, 5995), (2398, 5830), (2420, 5777), (2915, 4796)]