8830580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 21115080

約数和(自身を除く): 12284500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 89, 110, 121, 164, 178, 205, 220, 242, 356, 410, 445, 451, 484, 605, 820, 890, 902, 979, 1210, 1780, 1804, 1958, 2255, 2420, 3649, 3916, 4510, 4895, 4961, 7298, 9020, 9790, 9922, 10769, 14596, 18245, 19580, 19844, 21538, 24805, 36490, 40139, 43076, 49610, 53845, 72980, 80278, 99220, 107690, 160556, 200695, 215380, 401390, 441529, 802780, 883058, 1766116, 2207645, 4415290, 8830580]

約数ペア:

[(1, 8830580), (2, 4415290), (4, 2207645), (5, 1766116), (10, 883058), (11, 802780), (20, 441529), (22, 401390), (41, 215380), (44, 200695), (55, 160556), (82, 107690), (89, 99220), (110, 80278), (121, 72980), (164, 53845), (178, 49610), (205, 43076), (220, 40139), (242, 36490), (356, 24805), (410, 21538), (445, 19844), (451, 19580), (484, 18245), (605, 14596), (820, 10769), (890, 9922), (902, 9790), (979, 9020), (1210, 7298), (1780, 4961), (1804, 4895), (1958, 4510), (2255, 3916), (2420, 3649)]