2123450480

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1\times {\mathrm{997}}^1$

素因数の和:1426

約数の個数: 80

約数和(自身を含む): 5019381120

約数和(自身を除く): 2895930640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 337, 395, 632, 674, 790, 997, 1264, 1348, 1580, 1685, 1994, 2696, 3160, 3370, 3988, 4985, 5392, 6320, 6740, 7976, 9970, 13480, 15952, 19940, 26623, 26960, 39880, 53246, 78763, 79760, 106492, 133115, 157526, 212984, 266230, 315052, 335989, 393815, 425968, 532460, 630104, 671978, 787630, 1064920, 1260208, 1343956, 1575260, 1679945, 2129840, 2687912, 3150520, 3359890, 5375824, 6301040, 6719780, 13439560, 26543131, 26879120, 53086262, 106172524, 132715655, 212345048, 265431310, 424690096, 530862620, 1061725240, 2123450480]

約数ペア:

[(1, 2123450480), (2, 1061725240), (4, 530862620), (5, 424690096), (8, 265431310), (10, 212345048), (16, 132715655), (20, 106172524), (40, 53086262), (79, 26879120), (80, 26543131), (158, 13439560), (316, 6719780), (337, 6301040), (395, 5375824), (632, 3359890), (674, 3150520), (790, 2687912), (997, 2129840), (1264, 1679945), (1348, 1575260), (1580, 1343956), (1685, 1260208), (1994, 1064920), (2696, 787630), (3160, 671978), (3370, 630104), (3988, 532460), (4985, 425968), (5392, 393815), (6320, 335989), (6740, 315052), (7976, 266230), (9970, 212984), (13480, 157526), (15952, 133115), (19940, 106492), (26623, 79760), (26960, 78763), (39880, 53246)]